Spelling Programs for Dyslexia: What They Teach and What They Skip
Spelling Programs for Dyslexia: What They Teach and What They Skip
A parent comes back from a dyslexia evaluation. The report recommends "a structured literacy program." She posts in a homeschool group and gets four different answers in two hours: All About Spelling, Barton, Wilson, and one person who says the programs are overrated and daily retrieval practice is the real fix.
Here's a plain-language guide to what the major programs actually do, how they differ from each other, and the gap every one of them shares.
What structured literacy means
"Spelling program for dyslexia" almost always refers to programs in the structured literacy tradition. They share three core features: instruction is explicit (rules are stated, not discovered through exposure), systematic (sequenced from simple to complex, with nothing skipped), and multisensory (hearing, saying, seeing, and writing the same material at the same time).
These are not optional features. The research on why structured literacy works for kids with dyslexia comes back to these same principles across studies. The debate between programs is in the details of how they execute them, not in whether they should be there.
How the major programs differ
All About Spelling (AAS) is designed to be parent-taught. No tutor required. The scope and sequence is clear, the materials are organized, and most parents can pick it up without a teaching background. It moves at a moderate pace and is one of the most widely used programs for homeschool families with dyslexic kids. For parents who want to do the instruction themselves, AAS is usually where families start.
Barton Reading and Spelling is also designed for parent-taught use, but it moves more slowly and more explicitly than AAS. It was built specifically for students with dyslexia and includes more repetition and scaffolding at each step. The tradeoff is pace — some families find it too deliberate, others find that's exactly what their child needs. It is more expensive than AAS.
Wilson Reading System is not typically parent-taught. Wilson is designed for credentialed tutors and school settings, built around a 12-step sequence for more significant reading difficulties. If your child has a school evaluation recommending Wilson, it usually means trained staff are available to deliver it.
Orton-Gillingham (OG) is a teaching approach, not a single program. Many programs — including Barton and Wilson — are built on it. When a tutor says they use OG, they mean they work from explicit phoneme-grapheme mapping, systematic sequencing, and multisensory techniques. The specific materials vary by practitioner. OG vs. Barton is a useful starting point for making sense of what "OG-based" means in practice.
EBLI (Evidence-Based Literacy Instruction) goes in a different direction from the others. OG programs are print-to-speech: they show a letter pattern and teach what sound it makes. EBLI is speech-to-print: it starts from a spoken sound and teaches all the ways it can be spelled. The practical result is faster pacing and a smaller explicit rule set. EBLI vs. Orton-Gillingham covers how to think about that difference and what it means for your child.
What the research shows
The honest summary: every one of these approaches outperforms no structured literacy instruction. The head-to-head evidence comparing them to each other is thin.
A 2021 meta-analysis in Exceptional Children looked at 24 studies of OG-based interventions. It found a positive effect on word-level reading — but it didn't reach statistical significance (effect size 0.22, p = 0.40). The researchers called for more rigorous study. EBLI has one published randomized controlled trial, a 2017 Michigan study covering more than 1,000 students, which found no significant impact on reading performance.
What this means practically: the practitioner matters more than the label. A skilled tutor who watches how your child responds and adjusts accordingly will outperform a rigid script of the "best" program delivered poorly. Questions worth asking any tutor or program: What does your scope and sequence look like? How do you handle irregular high-frequency words — as patterns or as visual memory? Do you include morphology (prefixes, suffixes, roots)? What does a typical session look like? Those questions will tell you more than which label is on the method.
The gap every program shares
Here is the thing that rarely comes up on the dyslexia forums: every one of these programs teaches the rules. None of them includes a systematic retention layer for spelling in real writing.
A child can complete six levels of a structured program and still write "becuase" in her Tuesday journal. That isn't evidence that the program failed. It's evidence that knowing a phonics rule and retrieving a specific word automatically in the middle of a sentence are two different skills. The program built the first one. The second one needs something else.
The gap shows up the same way in nearly every family. The child has the instruction, can explain why "night" has a silent GH, passes the lesson reviews. Then she writes a paragraph about her weekend and spells three of those words wrong. The instruction went in. The automatic retrieval didn't come out.
This is not a dyslexia-specific problem. It's how memory consolidation works. The brain doesn't permanently store a word from instruction alone — it stores it through repeated successful retrieval over time, spaced so each recall happens just before the word would fade. That process is separate from instruction. It happens after the lesson, not during it.
What you add alongside the program
The practice that closes this gap is short, frequent, and low-stakes: your child hears a word and writes it from memory, nothing visible, on paper. You check it immediately. If it's wrong, she sees the correct spelling next to what she wrote. The word comes back in a few days. Eventually it stops requiring effort.
Five minutes three or four times a week does more for long-term retention than a longer session once a week. The spacing between sessions is where memory consolidation happens. More sessions mean more consolidation windows — which matters especially for kids with dyslexia, who typically need more repetitions per word to reach automaticity.
This kind of practice runs alongside whichever structured program your family is using. The program teaches the phoneme-grapheme patterns. The retrieval practice locks specific words into durable memory. Both are necessary. Neither replaces the other.
Spelling practice for dyslexia: what works at home covers the research and the daily loop in more detail. The science of retrieval practice for spelling has the mechanism if you want to understand why the spacing and sequencing matter.
Spellexi is the practice layer built for this. You read words aloud. Your child writes them on paper from memory. A photo grades the work and schedules each word to return at the right interval until it's locked in. It works alongside AAS, Barton, OG, Wilson, EBLI, or any other structured program your family is using — or on its own if no program is in the picture.
Five free sessions, no card required. See how it works or start a free trial.