Dyslexia reading aids: what the evidence says

It is 9.30 on a school night. The reading book has ended in tears again, school says it is “monitoring”, and your basket contains an overlay, a font pack, a reading pen and three apps. Before you spend: some aids help your child reach the meaning on the page, but they do not teach reading. That distinction can save money and stop another battle tomorrow.

Does this aid give access, or does it teach reading?

Every dyslexia aid does one of two jobs. An accommodation gets print out of the way so your child can learn from it today; an intervention teaches the sound-and-letter knowledge needed to read words more accurately and fluently.

Text-to-speech, audiobooks and a person reading aloud are accommodations. They protect vocabulary, subject knowledge and the pleasure of a story. Structured phonics teaching is an intervention. Both matter, but a house full of access tools without direct teaching leaves the decoding gap where it was.

The working UK definition describes dyslexia as a difficulty with accurate and fluent word reading and spelling, linked particularly to phonological awareness, verbal memory and verbal processing speed (Rose Review, 2009). That is why a product that changes colour or letter shape, but never teaches how speech sounds map to print, is unlikely to change reading skill. The British Dyslexia Association estimates that about 10% of people in the UK are dyslexic. Its 2025 report found that recorded identification in most English council areas was far lower than expected.

You do not need a diagnosis before using either kind of help. If your Year 3 child understands a chapter when you read it but cannot decode the school book alone, that gap is useful evidence now.

What actually teaches a dyslexic child to read?

Structured, systematic and cumulative phonics-based teaching has the strongest evidence for improving decoding. Lessons revisit earlier learning, teach one manageable step at a time and check progress rather than moving on because the timetable says so.

The Education Endowment Foundation (EEF) recommends systematic phonics and targeted intervention in its 2021 literacy guidance. Its live Teaching and Learning Toolkit, accessed in August 2026, reports about five months of added progress from one-to-one tuition on average, rising to six months in primary studies. Small-group tuition, usually two to five children, averages four months. These are averages across studies, not a promise for one child.

Teaching-assistant interventions also average four months in the EEF Toolkit, but the detail matters. Gains appear when teaching assistants are trained to deliver a structured programme to one child or a small group. General classroom support may show no benefit. Schools often say, “She reads with a TA.” What that can mean is that an adult prompts her through a book with no teaching sequence, starting measure or review date.

Ask instead: “Which programme is she following, who delivers it, how many sessions does she get each week, and what measure will you repeat at the review?” A sensible block is often 10 to 20 weeks, with three to five short sessions a week and a before-and-after measure. Dose and delivery matter more than a glossy brand name.

The National Tutoring Programme subsidy ended in 2024. In 2026, school-arranged tuition comes from school budgets, including Pupil Premium where relevant, and private tuition is unsubsidised.

Which reading aids have useful evidence?

Text-to-speech and audiobooks have the clearest evidence as access tools. They can raise comprehension when decoding is the bottleneck, but they should sit beside reading instruction rather than replace it.

Text-to-speech

A 2018 meta-analysis by Wood and colleagues found that text-to-speech and related read-aloud tools improved comprehension for students with reading disabilities. A 2023 study of children aged 8 to 12 found higher comprehension with text-to-speech, with or without word highlighting, than with silent reading.

Try the free tool already on the device first: Microsoft Immersive Reader, Apple Spoken Content, or Chromebook Select-to-Speak. A scanning reading pen does a similar job for paper worksheets. It can be useful where a phone or laptop is awkward, but it is not automatically better because it costs more.

Audiobooks and shared reading

Let your child “ear read” books above their decoding level. Calibre Audio offers free membership to children with a print disability, including dyslexia. RNIB Bookshare gives schools free accessible versions of curriculum books. Public libraries also lend audiobooks through apps such as BorrowBox or Libby.

Paired reading can keep home reading warm rather than punitive. On a tired evening, you can read a page, share alternate sentences or switch to audio. It builds mileage and enjoyment; it is not the intervention that teaches a weak reader to decode.

Print layout

More space between letters and words improved speed and accuracy in the foundational 2012 study by Zorzi and colleagues. Use a familiar font such as Arial or Verdana, enlarge it, increase spacing and clear clutter from the page. These changes cost nothing. A line tracker may help your child keep their place, though evidence for improving reading itself is weak.

Which dyslexia products are mostly marketing?

Coloured overlays, specialist fonts and working-memory subscriptions do not reliably improve reading in controlled research. A child may prefer one of them, but comfort and preference should not be presented as treatment for dyslexia.

• Coloured overlays and tinted lenses: two 2016 systematic reviews found no reliable basis for recommending them for reading difficulty. Individually prescribed colour may reduce discomfort for someone with visual symptoms, but it does not teach phonological skills. New or persistent visual discomfort still deserves an eye examination.
• Dyslexia fonts: controlled studies of OpenDyslexic in 2017 and Dyslexie in 2018 found no improvement over ordinary fonts in reading rate or accuracy. A 2025 meta-analysis also found no consistent benefit. The useful feature is generous spacing, not a licensed letter shape.
• Working-memory training: a 2016 meta-analytic review found near-zero transfer to reading, maths or intelligence. A 2024 dyslexia study found that Cogmed added no literacy benefit beyond ordinary reading and spelling teaching.

If school says, “We have given him an overlay and he sits with a TA,” decode that carefully. An overlay is a comfort tweak. Sitting with an adult is not a reading intervention unless that adult is trained, following a planned programme and measuring the result. Buying an overlay was a reasonable response to advice many schools still give; the weak evidence is not your fault.

What should school provide before you spend money?

School should assess the reading difficulty, plan targeted support, deliver it and review the result without waiting for a dyslexia diagnosis. This is the “assess, plan, do, review” cycle used for SEN Support (SEND Code of Practice, 2015, paragraphs 6.44 to 6.56).

Ask the SENDCO (the teacher responsible for special educational needs) for a written SEN Support plan. It should name the intervention, frequency, adult responsible, starting measure and review date. Mainstream schools must use their best endeavours to secure the special educational provision a child needs (Children and Families Act 2014, section 66). Read what SEN Support at school should look like.

Dyslexia can count as a disability when its effect is substantial and long term. Schools have had to consider auxiliary aids and services as reasonable adjustments since 1 September 2012. In practice, text-to-speech, a laptop, reading-pen access or printed notes instead of copying from the board may be equipment school should provide free (Equality Act 2010, sections 6 and 20, and Schedule 13). See when dyslexia is covered by the Equality Act.

Support follows need, not a label. The NHS does not usually diagnose dyslexia; assessment is normally through school, the council or a private assessor. If your child may need an Education, Health and Care Plan (EHCP), which is a legally binding plan written and funded by the council, you can request an assessment yourself. The council has six weeks to decide whether to assess (Children and Families Act 2014, section 36; SEND Regulations 2014, regulation 5(1)). Most dyslexic children are supported without an EHCP, but an EHCP can be appropriate where needs are greater.

Get useful technology established as your child’s normal way of working. Later exam arrangements, such as a computer reader or laptop, must reflect what they ordinarily use in class. A diagnosis alone does not switch those arrangements on. See how exam access arrangements are evidenced.

If you spend money, what is worth paying for?

Put scarce money towards skilled assessment or teaching before gadgets. A private diagnosis can explain your child’s profile and create an evidence trail, but school support should already be based on need.

In 2026, a specialist teacher assessment by someone with a current Assessment Practising Certificate commonly costs about £350 to £700. The British Dyslexia Association price is £575 plus VAT (£690) at the time of writing. An independent educational psychologist’s assessment commonly costs about £600 to £1,200 or more. Check what is included, who receives the report and whether a feedback appointment costs extra. Read the UK assessment routes before booking.

For tuition, look for a Level 5 or Level 7 specific learning difficulties qualification, an established specialist-training route, or a PATOSS-listed tutor. Ask to see how the tutor teaches cumulatively and how progress is recorded. Generic homework help is a different service.

1. £0: switch on built-in text-to-speech, use library audiobooks, ask school for RNIB Bookshare access, reformat print and request a dated SEN Support plan.
2. About £50: consider a decodable-book subscription or a phonics app with credible evidence, used little and often. Do not buy another font.
3. About £500: put it towards a measured block of specialist tuition or an assessment by a qualified specialist teacher. Avoid overlay packages, brain-training subscriptions and untargeted comprehension workbooks.

What can you do this week, and is SEND law changing?

This week, separate access from instruction on one sheet of paper, ask school for the missing half, and start a dated record. The 2026 reform proposals do not change your child’s rights today.

1. Tonight, turn on free text-to-speech and replace forced decoding with shared or audio reading if your child is spent.
2. Tomorrow, email the SENDCO asking which structured programme is used, who delivers it, how often, and which measure will be repeated at the review.
3. By Friday, record the current reading book band, a recent spelling sample, what your child can understand when text is read aloud, and every aid or intervention already tried.
4. At the next review, ask for the answer and the provision in writing. “We are monitoring” is not a plan.

The Schools White Paper Every child achieving and thriving, published on 23 February 2026, proposes Individual Support Plans for children receiving targeted or specialist support and a narrower future role for EHCPs. It proposes transition assessments from September 2029 and a move to the new system from September 2030. An Education for All Bill was announced in the King’s Speech on 13 May 2026, but these proposals are not enacted law: current statutory rights remain in force until new legislation commences. Consultation and parliamentary scrutiny can change the details. The House of Commons Library briefing CBP-10550 (2026) provides a neutral account.

As of August 2026, the Equality Act duties, SEN Support cycle and right to request an EHC needs assessment remain in force. Keep every plan, review, score and agreed aid dated. Whatever form later support plans take, that paper trail shows what was tried and what happened next.

References

• Education Endowment Foundation, Teaching and Learning Toolkit entries on one-to-one, small-group and teaching-assistant interventions (accessed August 2026), and Improving Literacy in Key Stage 1 (second edition, 2021).
• Wood, Moxley, Tighe and Wagner, text-to-speech meta-analysis, Journal of Learning Disabilities (2018); Annals of Dyslexia study of text-to-speech in children aged 8 to 12 (2023).
• Griffiths and colleagues, coloured-overlay systematic review, Ophthalmic & Physiological Optics (2016); Evans and Allen, controlled-trials review, Journal of Optometry (2016).
• Wery and Diliberto, OpenDyslexic trial (2017); Kuster and colleagues, Dyslexie trial (2018); dyslexia-font meta-analysis indexed by PubMed (2025).
• Zorzi and colleagues, spacing study, Proceedings of the National Academy of Sciences (2012); Melby-Lervåg, Redick and Hulme, working-memory review (2016); dyslexia-specific Cogmed trial (2024).
• Equality Act 2010, sections 6 and 20 and Schedule 13; Children and Families Act 2014, sections 36 and 66; SEND Regulations 2014, regulation 5(1); SEND Code of Practice (2015).
• House of Commons Library, Schools white paper: Special educational needs and disabilities, briefing CBP-10550 (2026).

Reading failure can damage self-esteem. If your child is becoming distressed about school or refusing to attend, contact the YoungMinds Parents Helpline. For dyslexia-specific advice, the British Dyslexia Association Helpline is 0333 405 4567. IPSEA and SOS!SEN provide independent SEND law information.