Assistive Technology for Dyslexia: Tools That Actually Work in K-12

The assistive technology for dyslexia that K-12 schools actually deploy - TTS, STT, OCR, dictionary, and annotation - in one Chrome extension built for Google Workspace.

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Dyslexia
Dyslexic student listening to a paragraph in Google Docs using Mote Read Aloud text-to-speech on a Chromebook, with sentence-level highlighting visible

May 19, 2026

Assistive technology for dyslexia is any software or device that lowers the decoding load so students with dyslexia can access grade-level content without burning all their working memory on word recognition. Reading fatigue is the silent driver of underperformance: when decoding takes 80 percent of a learner's cognitive budget, comprehension, writing, and engagement all collapse. The right assistive technology for dyslexia rebalances that load.

The core categories are well-established: text-to-speech (TTS), speech-to-text (STT), optical character recognition (OCR) for images and PDFs, dictionary and vocabulary support, word prediction, and flexible text formatting. The Individuals with Disabilities Education Act (IDEA) requires schools to consider AT for any student whose IEP or 504 plan identifies a reading disability. For the wider context on identification, instruction, and accommodations, see our guide to dyslexia in K-12.

What Makes Assistive Technology Effective for Dyslexia?

Coral concept illustration of headphones representing Read Aloud text-to-speech for students with dyslexia.

Text-to-Speech (TTS) - Read Aloud with Human-Like Voice

The foundational assistive technology for dyslexia. High-quality TTS lets students hear written text spoken aloud with natural prosody so comprehension is no longer gated by decoding. Look for human-like AI voices, adjustable speed, sentence-level highlighting, and one-click activation inside Google Docs, Slides, and the web.

Purple concept illustration of a document page representing PDF Read Aloud accessibility for dyslexic students.

PDF Accessibility - PDF Read Aloud

Most curriculum lives in PDFs, and most PDFs are inaccessible to default screen readers. A dyslexia AT tool that reads PDFs aloud directly in the browser - including scanned and image-based PDFs - removes a huge barrier. Critical for science textbooks, worksheets, and any teacher-uploaded reading.

Gold concept illustration of a camera representing Image Text Read Aloud OCR for inaccessible images.

Image Text Access (OCR) - Image Text Read Aloud

Slide decks, screenshots, and infographics often hide text inside images that TTS cannot reach. Optical character recognition (OCR) extracts that text on the fly so it can be read aloud. For dyslexic students this is the difference between participating in a science lesson and being locked out of it.

Coral concept illustration of an open book representing the Multilingual Dictionary for vocabulary support.

Vocabulary Support - Dictionary

Word-level lookups reduce the cost of unfamiliar academic vocabulary, which is one of the biggest comprehension barriers for dyslexic readers. A built-in dictionary with simple definitions, example sentences, and translation into a home language supports both dyslexic students and dyslexic English learners.

Teal concept illustration of a microphone representing Speech-to-Text as the alternative to writing for dyslexic students.

Speech-to-Text (STT) - Speech to Text

Writing output is often years behind oral language for dyslexic students. STT lets them dictate ideas, answers, and drafts so spelling and handwriting do not gate expression. Look for accurate punctuation, dictation directly into Google Docs, and support for student-friendly voices and accents.

Purple concept illustration of a highlighter representing Highlight Notes for active reading.

Active Reading and Annotation - Highlighter

Dyslexic readers benefit from active strategies - highlighting, chunking, and annotating - that keep attention anchored to the page. Digital highlighting and note tools that work across Docs, PDFs, and the web give students a consistent, accessible way to mark up reading without needing a printed copy.

How to Roll Out Assistive Technology for Dyslexia in a Classroom or District

Requires:
Mote Chrome Extension, Google Workspace (Docs, Slides, Classroom), IEP or 504 documentation, district IT approval

1. Inventory IEPs, 504s, and Informal Needs

Start by listing every student with a dyslexia diagnosis, an IEP or 504 plan referencing reading, or an informal teacher referral. AT is required to be considered for any student whose plan identifies a reading disability, so the inventory becomes the rollout plan.

2. Map Needs to AT Categories

For each student, identify which AT categories matter most - TTS, STT, OCR, dictionary, word prediction, or formatting. Most dyslexic students need at least TTS plus one writing support (STT or word prediction). Document this in the IEP or 504 paperwork.

3. Choose a Tool That Spans Categories on One Device

Prefer one Chrome extension that covers TTS, PDF read aloud, OCR, dictionary, and STT over five separate single-purpose apps. Fewer logins, less switching, and a far higher chance students will actually use it day-to-day.

4. Confirm Compliance and District IT Approval

Verify FERPA and COPPA compliance, any state-specific student data privacy requirements, and Google for Education Partner status. Get the tool added to the district's approved Chrome extension list before any rollout - this is the most common point of failure.

5. Pilot With One Grade Level or Caseload

Run a 4-6 week pilot with one special education caseload or one grade level. Track which features students use, where adoption stalls, and which teachers need extra coaching. Capture written student feedback so accommodations teams can document impact.

6. Scale With Targeted PD

Roll out school-wide with PD focused on dyslexia and AT - not just tool features. Teachers need to understand the why (decoding load, fatigue, working memory) before the how. Refresh the rollout each fall as new IEPs are written.

Schools comparing assistive technology for dyslexia typically evaluate Mote alongside Read&Write by Texthelp, ClaroRead, and NaturalReader. Each tool covers some of the core AT categories - TTS, STT, OCR, dictionary, and annotation - but they differ in breadth, pricing model, and how natively they live inside Google Workspace. Here is how they compare for a K-12 dyslexia use case.

Best for
Features
Pricing model
Mote
Schools and families that already use Google Workspace and want one Chrome extension to deliver dyslexia AT to every device, with admin compliance baked in.
Read Aloud (TTS), PDF Read Aloud, Image Text Read Aloud (OCR), Dictionary, Speech to Text, Highlighter - one Chrome extension across Docs, Slides, PDFs, and the web
30-day educator trial, 90-day student trial via class invite, then school and district plans
Read&Write by Texthelp
Windows-first districts and assessment settings
Text-to-speech, speech-to-text, PDF reader, vocabulary tools, word prediction, study skills features
Per-user paid license, school and district pricing
ClaroRead
Windows-first districts and assessment settings
Text-to-speech, OCR for scanned documents, simple word prediction
Per-user paid license, Windows-focused pricing
NaturalReader
Individual learners, home use, and lightweight deployments
Text-to-speech with AI voices, basic PDF reader, browser extension
30-day trial plus paid plans, consumer-friendly pricing

For schools already standardized on Google Workspace and Chromebooks, Mote is the strongest fit because every core AT category for dyslexia ships in a single Chrome extension with district IT compliance baked in. Read&Write by Texthelp is the right call for schools heavily invested in the wider Texthelp ecosystem or those needing the deepest study-skills toolkit. ClaroRead is a fair choice for Windows-first districts. NaturalReader works well for individual learners and home use, especially when budget is tight, but is lighter on K-12 deployment features. Pick the tool that matches your device fleet and accommodation paperwork first, then check pricing.

Frequently Asked Questions

Common questions about
AT for Dyslexia

What is the best assistive technology for dyslexia?

There is no single best assistive technology for dyslexia - the right mix depends on grade level, severity, and whether reading, writing, or both are the barrier. Most students need at least four categories: text-to-speech, speech-to-text, OCR for PDFs and images, and a dictionary or vocabulary support.

Is text-to-speech assistive technology for dyslexia?

Yes. Text-to-speech is one of the most evidence-supported forms of assistive technology for dyslexia. By converting written text into spoken audio, TTS lowers the decoding load on working memory, so students can focus on comprehension and engage with grade-level content alongside their peers.

Are assistive technology tools for dyslexia free for schools?

It varies. Some tools, like basic Chrome accessibility features and Google voice typing, are free. Most full AT suites are paid, with school and district pricing. Mote offers a 30-day trial for individual students and teachers, with paid plans for school-wide and district rollouts with admin controls.

Do dyslexia AT tools work on Chromebooks?

Yes. Most modern assistive technology for dyslexia ships as a Chrome extension, which means it runs natively on Chromebooks and any Chrome browser on Mac or Windows. Mote is a Chrome extension, so dyslexia AT features work across the entire Chromebook fleet without separate installs.

Can assistive technology replace structured literacy instruction for dyslexia?

No. Assistive technology for dyslexia is a complement, not a replacement, for structured literacy instruction grounded in the science of reading. AT lets students access grade-level content while they continue building decoding and fluency skills - the two work together, not in place of each other.

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