Grounding Innovation in Evidence: How Readable English Answers the U.S. Department of Education’s Call for Responsible EdTech

The U.S. Department of Education recently released guidance regarding the responsible use of education technology in the classroom. The core message of the Department’s "Dear Colleague Letter" is clear: instructional tools should be judged strictly by their impact on learning, not simply whether they happen on a screen.

The Department challenged states, districts, and edtech providers to answer five straightforward questions for every classroom tool:

1. What learning problem does it solve?

2. When should it be used?

3. For whom should it be used?

4. For how long should it be used?

5. What evidence demonstrates that it improves student learning?

In an industry flooded with digital games and screen-heavy tools, very few edtech products can answer these five questions with their own independent, peer-reviewed research. Readable English stands as a deliberate exception. While the system is undeniably innovative, our core achievement is that it measurably improves student reading proficiency at accelerated rates.

Here is how Readable English directly satisfies the Department’s guidance, grounded in cognitive science, independent research, and real-world classroom success.

1. What Learning Problem Does It Solve?

Learning to read English is an exceptionally difficult task due to the language’s complex, non-transparent orthography.

As demonstrated by foundational research from Seymour, Aro, and Erskine (2003), children learning to read English acquire foundational decoding skills significantly slower than their peers learning more phonetically consistent alphabetic languages. Because English features numerous irregular spelling patterns and complex rules, struggling readers expend immense mental effort just trying to sound out words, leaving little cognitive capacity for comprehension.

Readable English solves this decoding bottleneck by transforming traditional English text into a phonetically transparent system using an intuitive, embedded markup: 

• Unmarked Letters: Sounded out as usual.

• Grayed-Out Letters: Visually indicate silent letters.

• Syllable Breaks: Divide complex words into readable chunks.

• Glyphs: Distinct visual marks reveal exact vowel/consonant pronunciations.

By making every word phonetically explicit without altering traditional spelling, Readable English bridges the gap between spoken and written language, giving students the scaffolding needed to decode independently and access grade-level content right away.

2 & 3. When & For Whom Should It Be Used?

Readable English is built to fit seamlessly into existing Multi-Tiered System of Supports (MTSS) frameworks as a Tier 2/3 intervention and classroom accessibility layer.

Who We Serve:

• Struggling & Older Readers: Education writer Natalie Wexler featured our approach in Forbes Magazine ("How To Help Older Students Who Struggle To Read"), highlighting how traditional phonics programs often fail older students. Readable English allows middle and high school students to read age-appropriate, complex text without dumbing down the material.

• Multilingual Learners (ML / ELL): As spotlighted in The 74, educators rely on our glyph-based system to help English Learners rapidly unlock decoding skills—even if they missed foundational literacy instruction in earlier grades.

• Students with Learning Differences: Designed to support learners with dyslexia, ADHD, and processing challenges by eliminating decoding guesswork.

Implementation:

Teachers use Readable English during core subject instruction (STEM, history, literature) or dedicated reading intervention periods. Using the web conversion tools, browser extensions, and mobile app, educators can convert any existing district curriculum into a decodable format on demand.

4. For How Long Should It Be Used?

Readable English is designed to be a temporary, high-efficiency scaffold, not a perpetual digital dependency.

• Glyph Learning: The initial phase depends on student age, population type, and available implementation time—taking as little as 2.5 hours or mapped out flexibly over 4 to 6 weeks.

• Integrating the Markup: Once the glyphs are learned, structured lessons focusing on the 5 essential components of reading (phonemic awareness, phonics, fluency, vocabulary, and comprehension) are mapped out across a full year's worth of content.

• Fading the Scaffold: As students encounter standard text alongside our visual glyphs, they rapidly map the phonetic patterns into long-term memory. Once word recognition becomes automatic, the markup is systematically removed, and students transition to reading conventional English text independently.

5. What Evidence Demonstrates That It Improves Student Learning?

The Department of Education urged schools to reject untested technology and demand evidence. We hold our platform to the highest empirical standards.

Peer-Reviewed Research & ESSA Ratings

Readable English is backed by three independent, peer-reviewed studies. Across elementary, middle, and high school implementations, these studies establish an Every Student Succeeds Act (ESSA) evidence rating of Promising.

• The Core Finding: Students using Readable English gain oral reading fluency and comprehension at twice the rate of control groups.

Endorsed by the Founder of Cognitive Load Theory

Our instructional approach has earned the public endorsement of Professor John Sweller, the world-renowned cognitive scientist who created Cognitive Load Theory:

"Learning to read English is an exceptionally difficult task... Those familiar with Cognitive Load Theory with its emphasis on reducing working memory load during learning will immediately see the benefits of the system... Based on theory and data, I can recommend Readable English in the strongest possible terms. It has the potential to transform the teaching of English."

— Dr. John Sweller, Emeritus Professor of Educational Psychology

By minimizing unnecessary working memory load during decoding, Readable English frees up cognitive capacity for high-level comprehension—aligning directly with Sweller's scientific framework.

Proven Real-World Impact

Districts and national publications have consistently documented the impact of our solution in the field:

• Accelerating Post-Disruption Learning (The 74): When severe weather and hurricane damage closed schools in southern Georgia for a month, districts used Readable English to maximize remaining instructional time—helping students make up lost ground and accelerate reading growth by the end of the year.

• Closing Middle School Gaps (K-12 Dive & SmartBrief): A California district using our approach achieved a 15 percentage point reduction in middle school students scoring two or more grade levels below standard in just one academic year.

• Industry Recognition: Readable English was awarded the Tech & Learning Award of Excellence: Back to School for providing scalable, research-backed support to educators facing steep literacy gaps.

Moving Beyond "Screen Time" to True Learning Impact

Edtech shouldn't be about keeping students glued to screens for recreational engagement. The U.S. Department of Education’s guidance is a welcome call to return focus to what works: proven instructional value, grounded in science, and validated by data.

At Readable English, we remain committed to providing teachers with tools that reduce instructional strain, empower struggling readers, and deliver measurable, lifelong literacy outcomes.

Want to learn more about Readable English? Explore our resources page or contact us to see how we can help your students achieve reading success.