Estimated reading time: 8 minutes
The science of reading is the large, interdisciplinary body of research on how the brain learns to read, and it has driven a nationwide shift in reading instruction. But most of that research and most of the resulting curricula were designed with native English speakers in mind. For English Learners, the science still applies, yet applying it well requires adaptation: what transfers directly, what needs adjustment, and what is missing entirely. This guide explains the science of reading for English Learners so district leaders can implement it without leaving their EL students behind.
Table of contents
Executive Summary
The science of reading converges on a clear model: skilled reading requires both decoding and language comprehension. Decoding instruction, systematic phonics, transfers well to English Learners; phonological skills often transfer across languages. Language comprehension does not transfer automatically, because English Learners are still building the English vocabulary, grammar, and oral language that comprehension depends on. The practical implication is that districts adopting science-of-reading curricula must add a strong oral-language and vocabulary layer for ELs, or they will produce students who decode accurately but do not comprehend.
Key Takeaways
- The science of reading shows skilled reading = decoding × language comprehension.
- Decoding and phonics instruction transfer well to English Learners.
- Language comprehension does not transfer automatically; it must be built in English.
- Oral language and academic vocabulary are the components ELs most need and general curricula most underweight.
- Districts should implement structured literacy with a deliberate oral-language layer for ELs.
What Is the Science of Reading?
Quick answer: the science of reading is the accumulated research from cognitive science, linguistics, and education on how reading develops, and how best to teach it. It supports explicit, systematic instruction, often delivered through structured literacy, over incidental or balanced-literacy approaches.
Two Models That Explain the EL Case
| Model | What it says | EL implication |
|---|---|---|
| Simple View of Reading | Comprehension = decoding × language comprehension | ELs often have decoding but lack language comprehension |
| Scarborough’s Reading Rope | Word recognition + language comprehension strands | The language strands (vocabulary, background, language structures) are where ELs need the most support |
What Transfers and What Does Not
Phonological awareness and decoding skills frequently transfer across languages: a student who has these in their home language can apply them to English, and phonics is teachable to any student. What does not transfer is English language comprehension, the vocabulary, grammar, and background knowledge that give decoded words meaning. This is the crux: the science of reading works for ELs, but the language-comprehension half must be built explicitly in English, through academic vocabulary and oral language development.
Oral Language: The Missing Piece
The single most common implementation error is applying a science-of-reading program to English Learners as if phonics were sufficient. It is necessary but not sufficient. Without oral language, decoding produces “word callers”: students who read aloud accurately but do not understand. Oral language is the part of the science of reading that districts most often underbuild for ELs, precisely because it is the hardest to deliver at scale.
District Benchmark
A district rolling out a science-of-reading curriculum districtwide should expect English Learners to post strong early decoding scores and then plateau on comprehension by grades 3-5. If leaders track only decoding, the program looks successful while EL comprehension quietly stalls. The benchmark that reveals the truth is the decoding-to-comprehension gap for ELs; a wide gap signals the oral-language layer is missing.
Recommended Actions
Immediate: audit whether your science-of-reading curriculum includes an explicit oral-language and vocabulary component for English Learners.
Medium-term: add structured oral-language practice to EL instruction and monitor the decoding-versus-comprehension gap.
Long-term: build the capacity to give every EL enough individual speaking practice, the component that determines whether the science of reading delivers for them.
Common Mistakes
- Assuming phonics alone is the science of reading.
- Adopting a general curriculum without an EL oral-language layer.
- Tracking decoding but not comprehension for English Learners.
- Expecting language comprehension to transfer automatically from the home language.
Background Knowledge and Comprehension
One strand of the science of reading that matters especially for English Learners is background knowledge. Comprehension depends not only on decoding and vocabulary but on what a reader already knows about the topic. English Learners may lack the culturally specific background a text assumes, which can look like a reading problem when it is really a knowledge gap. Building background knowledge deliberately, and choosing texts thoughtfully, is part of applying the science of reading well to multilingual learners.
What Teachers Need to Know
Applying the science of reading to English Learners asks a lot of teachers: the decoding side, the language-comprehension side, and how the two interact for students building English. Professional learning should cover not just phonics instruction but oral-language development, academic vocabulary, and how to read EL screening data without mistaking a language need for a disability. A phonics-only training will produce phonics-only instruction, which is exactly the gap that leaves English Learners able to decode but not comprehend.
Common Myths About the Science of Reading and English Learners
As the science of reading has spread, several myths have grown up around what it means for English Learners, and they can lead districts astray. One myth is that the science of reading does not apply to English Learners at all, that it is only for native speakers. This is false: the underlying research on how reading works applies universally, but its application must account for the language English Learners are still building. Another myth is the opposite error, that a phonics-heavy program is automatically sufficient for English Learners because phonics is the science of reading. It is not sufficient, because comprehension also depends on language, which English Learners are still acquiring.
A third myth is that English Learners must be fully proficient in oral English before reading instruction can begin. In reality, decoding instruction can proceed alongside oral-language development, and delaying reading wastes valuable time. A fourth is that struggling English Learners likely have a reading disability, when the more common explanation is an unmet language need that decoding-focused screening can misread. Dispelling these myths matters because each leads to a predictable mistake: dismissing the science, over-relying on phonics, delaying instruction, or over-referring students to special education. The accurate view, decoding plus deliberate language comprehension, avoids all four and gives English Learners what they actually need.
Frequently Asked Questions
What is the science of reading?
The interdisciplinary research on how reading develops and how to teach it, supporting explicit, systematic instruction in decoding and language comprehension.
Does the science of reading apply to English Learners?
Yes. Decoding instruction transfers well, but language comprehension must be built explicitly in English through oral language and vocabulary, because it does not transfer automatically.
Why is oral language emphasized for English Learners?
Reading comprehension is the product of decoding and language comprehension. Oral language is the language-comprehension base, and English Learners are still building it, so it is the highest-priority component.
Do reading skills transfer across languages?
Phonological awareness and decoding skills often transfer. Vocabulary and language comprehension in English do not transfer automatically and must be developed directly.
Related Resources
- Structured Literacy for English Learners
- Oral Language Development
- Academic Language
- Academic Vocabulary
Conclusion
The science of reading applies to English Learners, but not by copy-paste. Decoding transfers; language comprehension must be built in English, and oral language is the component that determines whether decoding turns into understanding. Districts that add a deliberate oral-language layer to their science-of-reading work are the ones whose English Learners actually learn to read for meaning.
Sources: Gough and Tunmer, the Simple View of Reading; Scarborough, the Reading Rope; What Works Clearinghouse; U.S. Department of Education, NCELA.
When Strong Decoding Scores Hide a Comprehension Problem
Picture a third-grade English Learner who sails through the phonics screener, reads a passage aloud without a stumble, and then cannot answer a single question about what it meant. The decoding worked. The understanding never arrived, because the language underneath the words was not yet there.
This is the hard part of applying the science of reading to English Learners. The decoding half is teachable at scale; the language-comprehension half depends on oral English that has to be built word by word, through far more spoken practice than one teacher can give a full class each day.
Districts that see this add a deliberate oral-language layer and reach for tools that supply that practice. Telo AI is one example some educators use, building oral language and vocabulary in English, and in Spanish and French through separate apps.
See how the oral-language side of reading can get the volume it needs: https://mytelo.ai/how-telo-works/
It does not replace strong phonics instruction; it completes it, so decoding turns into meaning. The districts whose English Learners actually read for understanding are the ones that built the language half of the equation as deliberately as the decoding half.