IDA accreditation certifies that a teacher-training program aligns with the International Dyslexia Association's Knowledge and Practice Standards, the research-based benchmark for what teachers of reading should know and be able to do. For a school choosing a professional development provider, it is independent assurance that the training reflects the science of reading rather than simply claiming to.
Why a credential signal matters here
Every literacy training provider now says its work is grounded in the science of reading. The claim is easy to make and hard to verify from the outside, and the cost of getting it wrong is not small: a year of staff time and a professional-learning budget spent on training that does not change instruction. This is exactly the problem accreditation exists to solve. An independent body sets a rigorous standard, reviews programs against it, and lets its seal stand in for a promise a busy leader cannot easily check alone. Among literacy credentials, the International Dyslexia Association's accreditation is one of the most established, which is why it is worth understanding what it actually certifies.
What IDA accreditation is
The International Dyslexia Association reviews and accredits educator-preparation and professional development programs against its Knowledge and Practice Standards for Teachers of Reading. When a program carries the IDA Accredited seal, it signals that IDA has evaluated the program's content and found it aligned with those standards, so that its completers have engaged a rigorous, standards-based preparation in the principles and practices of structured literacy. Note what it is and is not: it is an accreditation of the program, not a personal certification of an individual teacher, which is a separate credential earned through a different route.
What the Knowledge and Practice Standards require
The Knowledge and Practice Standards, or KPS, are the substance behind the seal. They define the content knowledge and teaching skills that everyone who teaches reading should have, centered on the structure of language, phonology, the sound-symbol system, syllables, morphology, syntax, and semantics, and on how to teach those elements through explicit, systematic instruction. The standards are demanding and specific, which is the point. They were written in part because reviews of teacher preparation kept finding a shortage of exactly this content in conventional coursework. A program aligned to the KPS emphasizes the content knowledge and instructional practices that research consistently identifies as essential for effective reading instruction.
What the process involves
IDA accreditation is not a form a provider fills in. Programs document how their coursework and practice requirements align with each of the standards, and IDA reviews that evidence through a structured process conducted in cohorts. The review looks at whether the program genuinely develops mastery of structured literacy, not merely whether it names the right topics on a syllabus. That rigor is what gives the seal its meaning, and what separates it from a self-declared claim of alignment.
Accredited and Accredited PLUS
IDA recognizes more than one level, and the distinction matters when you are comparing providers. Standard accreditation certifies that a program's content aligns with the standards. The higher Accredited PLUS recognition also certifies that graduates have completed intensive, supervised practicum experience, designed and staffed to develop applied mastery of structured literacy with the kinds of readers who struggle most, including those with profiles characteristic of dyslexia. In plain terms, PLUS attests not only that a program teaches the right content but that it supervises educators actually putting it into practice, which is where training so often falls short. (Eight Strands Literacy holds IDA Plus accreditation.) The full comparison deserves its own guide; the short version is that PLUS adds a demonstrated, supervised-practice requirement on top of content alignment.
Why it matters when choosing a PD provider
For a leader vetting professional development, IDA accreditation does three useful things at once. It provides an independent check on a claim you would otherwise have to take on faith. It confirms that the content is aligned to a rigorous, research-based standard rather than a provider's own definition of the science of reading. And, at the PLUS level, it confirms that educators have received supervised opportunities to apply what they have learned in practice. Strong professional development changes teacher knowledge, but strong implementation systems change student outcomes. Leaders should therefore look beyond accreditation alone and ask how a provider supports coaching, classroom observation, leadership development, implementation planning, and instructional coherence over time. Accreditation is an important first filter, but it is only one part of the larger picture.
Frequently asked questions
What is IDA accreditation?
It is a review process in which the International Dyslexia Association evaluates a teacher-training program against its Knowledge and Practice Standards for Teachers of Reading. A program that earns the IDA Accredited seal has been independently found to align with those standards and to prepare educators in the principles and practices of structured literacy.
What are the IDA Knowledge and Practice Standards?
The KPS are a research-based framework defining the content knowledge and teaching skills all reading teachers should have. They center on the structure of language, including phonology, the sound-symbol system, syllables, morphology, syntax, and semantics, and on teaching those elements through explicit, systematic instruction.
What is the difference between IDA Accredited and IDA Accredited PLUS?
Standard accreditation certifies that a program's content aligns with the Knowledge and Practice Standards. Accredited PLUS also certifies that graduates completed intensive, supervised practicum experience developing applied mastery of structured literacy. PLUS adds a demonstrated, supervised-practice requirement on top of content alignment.
Why does IDA accreditation matter when choosing professional development?
It provides an independent check on a provider's claim to teach the science of reading, confirms the content aligns with a rigorous standard rather than a self-defined one, and, at the PLUS level, confirms the program supervises real practice. It is a strong filter when comparing providers, though not the only factor to weigh.
Is IDA accreditation the same as being "aligned to the science of reading"?
No. Any provider can claim alignment with the science of reading. IDA accreditation is an independent verification that a program's content actually meets a rigorous, research-based standard. The claim is self-made; the accreditation is externally reviewed.
Keep reading
- What science of reading professional development should include
- How to evaluate whether a literacy program is truly evidence-based
- What is structured literacy?
- Orton-Gillingham vs. structured literacy
- Structured literacy training for teachers and schools
Descriptions of IDA accreditation, the Accredited PLUS recognition, and the Knowledge and Practice Standards for Teachers of Reading reflect the International Dyslexia Association's published materials.
Krista L. Johnson, Ph.D.
Chief Executive Officer
Krista L. Johnson, Ph.D., is the Chief Executive Officer of Eight Strands Literacy. She holds a Ph.D. in Communication Sciences and Disorders from Northwestern University, with research in auditory neuroscience, and graduate training in specific learning disabilities. She leads the organization's work helping schools put the science of reading into practice.
