What does the word reading fluency CBM measure, exactly?

Last updated 2026-07-10

What is a word reading fluency CBM and where did it come from?

Curriculum-based measurement (CBM) is a family of short, standardized, repeatable tests built in the late 1970s by Stanley Deno and Phyllis Mirkin at the University of Minnesota. The idea was simple. Stop waiting for the end-of-year test to tell you a kid is behind. Measure something small and sensitive every few weeks instead ^[1].

The word reading fluency version, often called Oral Reading Fluency (ORF) or R-CBM, works like this. A student reads aloud from a grade-level passage for exactly one minute while a teacher or interventionist follows along on a separate copy and marks any errors. At the end of the minute the examiner counts the words read correctly. That number, correct words per minute (WCPM), is the score ^[1][2].

The simplicity is on purpose. A single WCPM score takes about three minutes to collect, setup included. Schools can give three one-minute probes on the same day and average them, which sharpens reliability. Because dozens of alternate passages exist at each grade level, you can retest every two to four weeks without kids memorizing the text. That repeatability is what turns CBM into a progress-monitoring tool instead of just another screener.

Researchers figured out decades ago that WCPM is more than a stopwatch reading of how fast a kid talks. It is a strong proxy for overall reading skill, because reading accurately and quickly at the same time demands decoding, sight-word knowledge, and enough automaticity to keep up with meaning ^[2]. A slow, halting reader and a fluent reader are doing very different work in their heads, and WCPM catches that difference in 60 seconds.

What specific skills does word reading fluency CBM actually capture?

WCPM folds several skills into one number. That is both its strength and its trap.

Start with decoding accuracy. Every misread, omitted, or substituted word gets counted as an error and subtracted. A student who has not solidly learned phonics patterns racks up errors on multisyllabic words and scores lower than their raw reading rate would suggest ^[2].

Next, reading rate. The one-minute window measures how many words the student processes, which reflects automaticity. The National Reading Panel's 2000 report defines fluency as reading with accuracy, appropriate rate, and expression, and ties all three to comprehension ^[3]. A kid who can decode every word but spends three seconds on each one has not reached automaticity. Working memory is still busy sounding things out, leaving little room to understand.

Third, and as a side effect, WCPM correlates moderately to strongly with reading comprehension on standardized tests. Correlation coefficients land in the 0.60 to 0.80 range across grades 2 through 5, per multiple replications summarized by Wayman et al., 2007 ^[4]. That correlation is the real reason CBM works as a screener for reading problems, more than as a fluency check.

Here is what WCPM does not measure directly: phonemic awareness in isolation, vocabulary, spelling, writing, or reading comprehension as a separate skill. A student can score fine on WCPM and still struggle to understand grade-level text, especially above third grade, where vocabulary and inferencing demands climb faster than decoding demands. Keep that in mind when a school hands you a fluency score as if it were the whole story.

Does a CBM score tell you everything about a child's reading? No. It tells you a lot about automaticity and decoding, and it predicts comprehension risk reasonably well, but the full picture needs comprehension probes, writing, and plain classroom observation too. If your child scores well on WCPM but struggles on reading comprehension tests, that gap is worth raising with the school.

What are the benchmark scores for word reading fluency CBM, by grade?

The benchmark norms most U.S. schools use come from two sources: DIBELS (Dynamic Indicators of Basic Early Literacy Skills), maintained by the University of Oregon, and AIMSweb, now owned by Pearson. Both publish seasonal benchmarks (fall, winter, spring) for grades 1 through 8. The table below uses DIBELS 8th Edition benchmarks, the most current publicly documented set ^[5].

Grade	Time of year	At or above benchmark (WCPM)	Some risk	Significant risk
1	Winter	23+	13-22	Below 13
1	Spring	47+	28-46	Below 28
2	Fall	52+	32-51	Below 32
2	Spring	87+	62-86	Below 62
3	Fall	70+	49-69	Below 49
3	Spring	100+	78-99	Below 78
4	Fall	94+	72-93	Below 72
4	Spring	112+	90-111	Below 90
5	Fall	105+	84-104	Below 84
5	Spring	124+	102-123	Below 102

These are norms, not hard cutoffs. Districts and states use slightly different benchmarks depending on which assessment system they bought. Ask the school which norms their system uses before you compare your child's score to any table you found online.

Parents miss this one all the time. The benchmark is a risk predictor, not a diagnosis. Scoring below benchmark flags a child for a closer look, not a disability label. And scoring at benchmark does not rule out a reading difficulty, because a kid who decodes accurately but slowly can lean on compensatory tricks to hit the number ^[5].

For what those WCPM numbers mean in practice at specific grades, see our guides on 2nd grade reading comprehension and 4th grade reading comprehension.

How is a word reading fluency CBM administered and scored?

The protocol is tightly standardized. That consistency is exactly what makes scores comparable across time and between students.

The examiner sets a reading passage in front of the student. Passages are calibrated to a grade level, usually by a readability formula like Flesch-Kincaid or matched to curriculum-level word lists. The examiner says something close to, "When I say begin, start reading aloud as quickly and carefully as you can." The timer starts the moment the student reads the first word.

During the minute, the examiner marks errors on their copy. Errors include mispronunciations, substitutions, omissions, and any word the student hesitates on for more than three seconds (the examiner supplies the word and marks it wrong). Self-corrections made within three seconds count as correct. Insertions (adding a word that is not in the text) are not counted as errors in most systems, and they do not add to the correct word count either ^[2].

At the end of one minute, the examiner marks the last word read and subtracts errors from total words. That is the WCPM score.

Reliability improves when three probes are given in one session and averaged. Inter-rater reliability for trained examiners generally runs above 0.90, which means two different scorers listening to the same student land on nearly identical numbers. A screening tool that jumps around between scorers is worthless, so this matters ^[4].

Administration takes a trained adult, but the training is not heavy. Most schools use reading specialists, interventionists, or trained paraprofessionals. Parents cannot administer the official normed version at home, but an informal oral reading check with a book and a timer gives you a rough sense of where your child sits.

How do schools use CBM scores to make decisions about reading instruction?

Schools running Multi-Tiered System of Supports (MTSS) or Response to Intervention (RTI) frameworks use CBM fluency data in three overlapping ways.

Universal screening comes first. Three times a year (fall, winter, spring), the whole school takes a benchmark probe. Students below the benchmark threshold get flagged for closer monitoring or instructional support. The Every Student Succeeds Act (ESSA, 2015) pushes schools to use evidence-based screening to catch at-risk readers early ^[6].

Progress monitoring is the second use. Students in Tier 2 or Tier 3 intervention get a CBM probe every one to two weeks. The examiner plots WCPM scores on a graph over time and draws a trend line. If the trend line runs steeper than the goal line (a straight line from baseline to the year-end target), the intervention is working. If it does not, the team changes the instruction. That cycle is what MTSS is supposed to look like on the ground ^[1].

Third comes IEP goal-setting and annual review. Under IDEA 2004 (the Individuals with Disabilities Education Act, 20 U.S.C. § 1414), IEP teams must write measurable annual goals and track progress toward them ^[7]. WCPM benchmarks get written straight into IEP goals because they are objective, repeatable, and backed by national norms. A goal might read: "By the end of the school year, [student] will read a grade 3 oral reading fluency passage at 80 WCPM with 95% accuracy as measured by CBM probes administered bi-weekly." That specificity is what makes a goal legally defensible and actually trackable.

If your child has an IEP or 504 plan and the team is not using a progress-monitoring tool with this kind of frequency and objectivity, ask why. IDEA requires progress reports to reach parents at least as often as report cards go home ^[7].

What is the difference between word reading fluency CBM and other reading CBMs?

CBM is a family, not a single test. Word reading fluency (ORF) is one member. The others each measure something different.

Letter Naming Fluency (LNF): the student names upper- and lowercase letters in one minute. Used in kindergarten to predict later reading risk. It is not a decoding measure.

Phoneme Segmentation Fluency (PSF): the student hears a word and says each phoneme separately. This measures phonemic awareness, which is a separate skill from decoding or fluency.

Nonsense Word Fluency (NWF): the student reads made-up words like "vaj" or "tig." Because the words are not real, the student cannot fall back on sight-word memory and has to decode. NWF isolates phonics knowledge ^[5].

Word Use Fluency (WUF): the student says a sentence using a given word. This measures expressive vocabulary. Less commonly used.

Maze/CBM-R: a silent reading task where students fill in blanks in a passage from three choices. This measures reading comprehension more directly than ORF does.

The difference matters for parents and IEP teams. A child can score poorly on ORF for several reasons: weak phonics (NWF would flag it), weak automaticity with real words (a sight-word check would flag it), or fluency that is fine but comprehension that is not (a Maze probe would flag it). A real reading evaluation looks at several CBM types alongside standardized tests, more than one WCPM number.

For the comprehension side of reading assessment, see reading comprehension practice and printable reading comprehension resources.

Is word reading fluency CBM valid and reliable? What does the research say?

Yes, with caveats, and the evidence base is unusually strong for an educational tool.

Validity holds up. Multiple systematic reviews confirm that ORF-CBM predicts performance on high-stakes reading tests, identifies students at risk for reading disabilities, and is sensitive enough to detect real instructional change over 6-to-12-week windows ^[4][8]. Wayman and colleagues' 2007 review found median correlations between ORF and reading comprehension outcomes running from 0.54 to 0.91 across studies, with most in the 0.60 to 0.80 range ^[4].

Reliability is high. Alternate-form reliability (two different probes given close together) usually lands between 0.90 and 0.97 for grades 2 and up. First grade runs a bit lower, in the 0.80s, partly because early-year scores are more variable. Test-retest reliability over a week looks similar ^[4].

The research is honest about its limits. Predictive validity weakens above fourth grade. Comprehension pulls away from fluency as texts get harder, so a high WCPM in seventh grade does not guarantee strong comprehension the way it does in second grade ^[8]. ORF can also underestimate the reading skill of English learners when a passage carries unfamiliar vocabulary; some researchers recommend adding native-language probes where available ^[9]. And WCPM does not capture prosody (expression and phrasing), which the National Reading Panel also counts as part of fluency but which is hard to score objectively.

The Institute of Education Sciences (IES) at the U.S. Department of Education has reviewed ORF-based tools through its What Works Clearinghouse and found enough evidence to recommend CBM as a progress-monitoring tool in reading, especially in K-3 ^[8].

How is word reading fluency CBM connected to dyslexia identification?

CBM fluency probes are often among the first tools that flag a student for possible dyslexia. They are not a dyslexia diagnosis.

Dyslexia is a specific learning disability marked by unexpected difficulty with accurate and fluent word recognition, poor spelling, and decoding trouble despite adequate instruction, per the International Dyslexia Association's consensus definition ^[10]. Students with dyslexia consistently score below grade-level benchmarks on ORF, and their trend lines during intervention tend to stay flatter than peers' unless the instruction is explicit and systematically phonics-based.

Here is why CBM matters for dyslexia specifically. IDEA 2004 lets schools use a child's response to scientific, research-based intervention (the RTI model) as part of determining a specific learning disability ^[7]. Under that model, a child who gets high-quality Tier 2 intervention for a sufficient stretch and whose CBM trend line stays flat or drops can be identified with a specific learning disability in reading. The progress-monitoring data is literally part of the eligibility file.

Many state dyslexia laws now require early universal screening using tools that include fluency measures. As of 2024, 49 states have passed some form of dyslexia-related legislation, and most require screening in kindergarten through third grade ^[11]. Fluency CBMs are the common screening component because they are fast and predictive.

If your child is below benchmark and the school has collected several weeks of progress-monitoring data showing a flat trend, you have the right under IDEA to request a full and individual evaluation at school expense. That evaluation goes well past CBM and includes standardized cognitive and academic testing, but the CBM data is often what triggers the referral.

While a school evaluation is underway, reading tutor resources can help close some of the gap.

What should parents do when they see their child's CBM score?

Schools have to share progress-monitoring data with parents. They do not always explain what the numbers mean. Here is what to do with them.

First, find out which system your school uses. DIBELS, AIMSweb, FastBridge, and Acadience (formerly DIBELS Next) all run slightly different norms. Ask the teacher or reading specialist directly: "Which benchmark table should I use to read this score?"

Second, watch the trajectory, more than the single score. One data point tells you where a student sits today. Six data points over three months tell you whether instruction is working. Ask for the progress-monitoring graph, more than the latest number. IDEA requires parents to receive progress reports, and in most states a graph of CBM scores counts ^[7].

Third, ask the error-analysis question. A student who reads 65 WCPM with 10 errors is in a very different spot than one who reads 65 WCPM with 2 errors. The first has an accuracy problem. The second has a rate problem. Those need different interventions.

Fourth, if your child's score has been below benchmark for two or more benchmark periods, ask what Tier 2 or Tier 3 intervention is in place. Ask how often it runs, who delivers it, and what the curriculum is. Research-based interventions for below-grade readers usually take 30 to 45 minutes of structured, explicit instruction at least four days a week to move WCPM meaningfully over a semester ^[3].

The ReadFlare parent advocacy kit includes a one-page data-request template you can fill out and hand to the school to get CBM progress-monitoring graphs without a fight.

For grade-specific context, our 1st grade reading comprehension and 6th grade reading comprehension pages explain what grade-level proficiency looks like beyond the fluency score.

Can word reading fluency CBM be used to write IEP reading goals?

Yes, and it is one of the cleanest ways to make an IEP reading goal measurable, which IDEA 2004 flat-out requires ^[7]. The statute at 20 U.S.C. § 1414(d)(1)(A) says the IEP must include "a statement of measurable annual goals, including academic and functional goals." WCPM targets meet that bar.

A well-built IEP fluency goal has four parts: who (the student), what (WCPM on a grade-level passage), how much (the target score), and how measured (CBM probe, frequency, and by whom). One example from IEP practice: "By June 2026, [student] will read a second-grade-level oral reading fluency passage at 75 WCPM with at least 95% accuracy, as measured by bi-weekly DIBELS CBM probes administered by the reading specialist."

Parents get shortchanged on the baseline and the growth rate. Say the baseline is 35 WCPM and the annual goal is 75 WCPM. That is 40 words of growth in a year. Realistic growth for students getting evidence-based intervention runs roughly 1.5 to 2.0 WCPM per week, which comes to 54 to 72 words over a 36-week school year ^[4]. A goal that asks for only 10 words of growth from a student getting intensive support is not ambitious enough. A goal that asks for 100 words without saying how that instruction will be delivered may sound nice but is not grounded in what the research says is achievable.

Ask the IEP team one question: "What is the expected weekly growth rate built into this goal, and what level of intervention is expected to produce it?" If nobody can answer, the goal was written without progress-monitoring data behind it.

The ReadFlare free reading tools section has a growth-rate calculator that turns a baseline and goal into a weekly WCPM target you can bring to the meeting.

What are the limits of using word reading fluency CBM as the main reading measure?

CBM fans sometimes oversell WCPM. It is worth naming what the tool does poorly.

Above grade 4, the comprehension-fluency link weakens. A sixth grader who reads 120 WCPM (at benchmark) but cannot understand what they read is badly served by a report that says they are on track. The research is fairly consistent here: past third grade, vocabulary, background knowledge, and inferencing explain more of the variance in comprehension than fluency does ^[8]. That is why 6th grade reading comprehension problems often look nothing like second-grade problems even when the fluency score looks fine.

CBM does not sort out types of reading problems well on its own. A student with a language processing disorder might read aloud fast with few errors and still miss the meaning. A student with attention difficulties might read slowly and inaccurately on a one-minute probe but understand text well when given time. Neither picture is complete from WCPM alone.

The norms have limits too. Most CBM normative samples have historically underrepresented English language learners, students with disabilities, and students from lower-income districts. Researchers warn that English-only norms for bilingual students can push toward over-identification for intervention, or the opposite, under-identification when oral language differences mask a real reading disability ^[9].

CBM is a proxy, not a curriculum-aligned assessment. A student's WCPM on a passage from the norming set may not match how they handle the actual texts their teacher assigns. That is why CBM works best as one piece of a bigger picture that also includes curriculum-based assessments, teacher observation, and standardized tests.

How often should my child's school be giving word reading fluency CBM probes?

It depends on the student's risk level, and the research has a clear answer.

Students at benchmark get three probes a year (fall, winter, spring). That is the standard universal screening schedule, the checkpoints that watch the whole student population for emerging risk.

Students flagged as some risk usually get monthly progress monitoring, so the team can catch a non-responsive trend before too much instructional time slips away.

Students in Tier 2 or Tier 3 intervention get a probe every one to two weeks. This is where CBM earns its keep. At bi-weekly frequency over 10 weeks, a team collects enough data points to draw a defensible trend line and decide whether to continue, adjust, or intensify. The National Center on Intensive Intervention recommends at least eight data points before treating a trend as real rather than noise ^[1].

Some schools do less than this and call it progress monitoring anyway. If your child is in an intervention and the team has fewer than six data points over a semester, that is a real gap. IDEA does not fix exact frequencies for progress-monitoring probes, but it does require that parents hear about progress at least as often as parents of non-disabled students get report cards ^[7]. Ask for the graph at every IEP check-in.

Frequently asked questions

What does WCPM stand for and what is a good score?

WCPM stands for words correct per minute, the score a word reading fluency CBM produces. A good score depends on grade and season. DIBELS 8th Edition benchmarks set the at-grade target for second grade in spring at 87 WCPM or above. A score below 62 WCPM at that same point signals significant risk. Always compare your child's score to the benchmark table for their specific grade and season.

Is CBM the same as the DIBELS test?

CBM (curriculum-based measurement) is the research framework; DIBELS is one commercial product built on it. AIMSweb, FastBridge, and Acadience are other CBM-based products. They share the core one-minute timed reading format but use different passages, norms, and cutoffs. When a school says they are doing DIBELS testing, they are doing CBM, but not all CBM is DIBELS.

Can word reading fluency CBM diagnose dyslexia?

No. A low WCPM score can flag a child for further evaluation and is often part of the RTI/MTSS documentation used in specific learning disability eligibility, but it is not a diagnosis. Diagnosing dyslexia takes a full evaluation including cognitive processing tests, phonological awareness measures, and standardized word reading and decoding assessments given by a qualified professional under IDEA 2004 or by a private psychologist.

How is word reading fluency CBM different from a running record?

A running record, common in Reading Recovery and balanced literacy programs, is also a timed oral reading with error marking, but it uses instructional-level texts rather than grade-level normed passages, and it produces an accuracy percentage rather than a WCPM score. CBMs use standardized passages with national norms, so they compare across classrooms and over time. Running records are better for picking a book level; CBM is better for screening and progress monitoring.

What counts as an error on a word reading fluency CBM?

Mispronunciations, substitutions, omissions, and any word the student does not say within three seconds (the examiner supplies it). Self-corrections within three seconds count as correct. Insertions (extra words) are not scored as errors but do not add to the word count. Proper noun mispronunciations are sometimes not scored as errors, depending on the system; check the protocol your school follows.

My child scored below benchmark. What should I ask the school?

Ask four things: Which benchmark table was used and which risk category does the score fall in? Has progress monitoring started, and how often? What Tier 2 or Tier 3 intervention is in place, how many minutes per day, and what curriculum? Can you see the progress-monitoring graph? If the school cannot answer clearly, request a meeting with the reading specialist or special education coordinator. You also have the right to request a full evaluation under IDEA.

Does word reading fluency CBM measure reading comprehension?

Not directly. WCPM correlates with comprehension outcomes (coefficients of 0.60 to 0.80 in grades 2 to 5), which makes it useful as a risk screener. But a student who reads fast and accurately can still struggle with complex texts, especially above third grade. If comprehension is the concern, ask for a Maze CBM or a standardized comprehension test alongside the fluency data.

How do schools use CBM data in IEP meetings?

CBM progress-monitoring graphs document present levels of performance, support measurable annual goals (required by IDEA 2004), and show whether a student is responding to intervention. A flat or declining trend line over 8 or more data points is often the trigger to intensify services or start a special education evaluation. Parents have the right to see this data before and during IEP meetings.

What is a realistic WCPM growth rate for a student in intervention?

Research suggests students in evidence-based reading intervention gain roughly 1.5 to 2.0 correct words per minute per week. Over a 36-week school year, that comes to about 54 to 72 words of growth. Students with more severe reading disabilities often grow more slowly, around 0.75 to 1.0 WCPM per week, even with intensive support. These ranges come from Wayman et al.'s 2007 review of CBM technical characteristics.

Are there word reading fluency CBM norms for English language learners?

Standard DIBELS and AIMSweb norms were built mainly on English-speaking populations. Applying them to English language learners can cause misidentification, because English oral language proficiency affects reading rate independently of decoding skill. Some researchers recommend using English norms alongside native-language screeners and weighing the student's length of English exposure. No single universally accepted ELL-specific norm set exists yet.

How long does it take to see CBM score improvements from a reading intervention?

Most researchers recommend collecting at least 8 to 10 bi-weekly data points (roughly 4 to 5 months of monitoring) before deciding whether a student is responding. Meaningful WCPM gains from a well-run structured literacy intervention often show up in trend-line analysis after 6 to 8 weeks, but individual variability is high. Expecting big gains in fewer than 6 weeks is generally not realistic.

Can parents administer a word reading fluency CBM at home?

Not the normed version. Official CBM probes need trained administrators and standardized conditions to produce scores comparable to national norms. You can do an informal oral reading check at home: find a grade-level passage, time one minute, count errors. That will not give you a valid WCPM score for IEP purposes, but it can help you judge whether your child is struggling and whether to push the school for formal data.

What is the difference between Tier 1, Tier 2, and Tier 3 in relation to CBM?

In an MTSS or RTI framework, Tier 1 is core classroom instruction; all students get universal CBM screening three times a year. Tier 2 is targeted small-group intervention for students below benchmark, with CBM administered monthly. Tier 3 is intensive intervention for the lowest-performing students, with CBM given every one to two weeks. Frequency climbs with risk because faster instructional decisions need more frequent data.

Does a student with dyslexia always score low on word reading fluency CBM?

Nearly always in elementary school, yes. Dyslexia by definition affects accurate and fluent word recognition, and both accuracy and rate feed WCPM. Some students with dyslexia build compensatory strategies that partly mask their difficulty by late elementary or middle school, so a borderline score in sixth grade does not rule out a history of significant reading disability. Look at the full developmental history, more than the current score.

Sources

1. National Center on Intensive Intervention (NCII), U.S. Department of Education, Tools Charts and CBM Overview: CBM was developed by Deno and Mirkin at the University of Minnesota for repeated, brief progress monitoring in reading; NCII recommends at least 8 data points before interpreting a trend
2. Deno, S.L. (1985). Curriculum-Based Measurement: The Emerging Alternative. Exceptional Children, 52(3), 219-232.: Oral reading fluency CBM procedure: student reads aloud for one minute, examiner marks errors, WCPM is total words minus errors; error types include mispronunciation, substitution, omission, hesitation over 3 seconds
3. National Institute of Child Health and Human Development (NICHD), Report of the National Reading Panel (2000): Fluency defined as reading with accuracy, appropriate rate, and expression; fluency connects to comprehension; research-based intervention typically requires 30-45 minutes of explicit instruction at least 4 days a week
4. Wayman, M.M., Wallace, T., Wiley, H.I., Ticha, R., & Espin, C.A. (2007). Literature Synthesis on Curriculum-Based Measurement in Reading. Journal of Special Education, 41(2), 85-120.: Median correlations between ORF and reading comprehension range from 0.54 to 0.91 across studies; alternate-form reliability typically 0.90-0.97 for grades 2+; expected growth 1.5-2.0 WCPM per week in intervention
5. DIBELS 8th Edition Technical Adequacy Information, University of Oregon Center on Teaching and Learning: DIBELS 8th Edition benchmark scores by grade and season, including at-benchmark, some risk, and significant risk thresholds for grades 1 through 5; NWF isolates phonics decoding by using nonsense words
6. U.S. Department of Education, Every Student Succeeds Act (ESSA) overview: ESSA encourages schools to use evidence-based universal screening to identify students at risk for reading difficulty
7. Individuals with Disabilities Education Act, 20 U.S.C. § 1414, U.S. Department of Education IDEA statute text: IDEA requires IEPs to include measurable annual goals (20 U.S.C. § 1414(d)(1)(A)); progress reports to parents at least as often as report cards; RTI data can be used in specific learning disability eligibility determination
8. Institute of Education Sciences, What Works Clearinghouse, Assisting Students Struggling with Reading practice guide: IES recommends CBM as a progress-monitoring tool in reading K-3; predictive validity of ORF weakens above grade 4 as comprehension diverges from fluency
9. Linan-Thompson, S., & Vaughn, S. (2007). Research-Based Methods of Reading Instruction for English Language Learners, Grades K-4. ASCD.: Standard CBM norms underrepresent English language learners; applying English-only norms to bilingual students can lead to misidentification; native-language screeners recommended as supplement
10. International Dyslexia Association, Definition of Dyslexia: Dyslexia defined as specific learning disability characterized by unexpected difficulty with accurate and fluent word recognition, poor spelling, and decoding despite adequate instruction
11. National Conference of State Legislatures, Dyslexia in the States 2024 overview: As of 2024, 49 states have passed some form of dyslexia-related legislation, most requiring screening in kindergarten through third grade