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Our research

Amplify CKLA & Amplify Caminos

Using a fundamentally different approach to language arts, Amplify Core Knowledge Language Arts^® (CKLA) is built on decades of early literacy research that demonstrates the importance of wide-ranging background knowledge and explicit and systematic instruction in foundational skills. Increasingly more districts are choosing Amplify CKLA because they know they’ll see results.

Amplify CKLA meets the criteria for Tier I-Strong Evidence as an education intervention under ESSA.

Impact overview

Efficacy

Tier 1 ESSA evidence summary:

Amplify CKLA outperformed a control group on proximal and standardized tests.

Cover page of a PDF article titled "Building Content Knowledge to Boost Comprehension in the Primary Grades" from Reading Research Quarterly, highlighting authors and a partially visible abstract on literacy research.

Amplify CKLA Knowledge ESSA
Tier 1 Study:

Efficacy research results confirm Amplify CKLA Knowledge meets rigorous ESSA Tier 1 evidence standards.

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An evaluation of Core Knowledge curriculum in charter schools:

Reading scores significantly improved and income-based gaps were eliminated.

Pdf document icon titled "Amplify CKLA Literacy Research Report for Grade 5.

AZ CKLA efficacy research report:

CKLA significantly improved outcomes for students overall, as well as economically disadvantaged and Latino students.

Build content knowledge, boost comprehension

Free access to efficacy study showing Amplify CKLA Knowledge meets ESSA Tier 1 qualifications.

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District success stories

Aldine Independent School District, Texas: Amplify’s early literacy suite boosts reading proficiency from 30% to 50%.

Oak Harbor School District, Washington: Kindergarten reading proficiency improved by 19% and Grade 1 by 31% in 3 years.

West Jefferson Hills School District, Pennsylvania: Students reach the 98th percentile among their peers nationwide after implementing Amplify.

Salemberg Elementary School, North Carolina: Students made 80–100 composite points of growth in one semester.

Euclid City School District, Ohio: Amplify CKLA, Boost Reading, and mCLASS boosted Euclid Kindergarten reading proficiency from 10% to 57% and Grade 1 from 20% to 37% in one school year.

Gallia County Local School District, Ohio: With Amplify CKLA, the number of Gallia County students needing a Reading Improvement Plan dropped from 46% to 27% in one year.

Cover page of a PDF titled “Making the shift to the Science of Reading,” featuring a map of Louisiana and a highlighted section about Lafourche Parish School District’s success.

Lafourche Parish Public School District, Louisiana: Louisiana’s Lafourche Parish School District improves third-grade LEAP scores to 73% basic or better, surpassing the state average, with Amplify CKLA.

Cover of a PDF titled "Making the shift to the Science of Reading" featuring an outline map of Texas and highlighting Pleasanton Independent School District.

Pleasanton Independent School District, Texas: Kindergarten scores rise from 44% to 60% with Amplify.

Cover page of a PDF titled "Making the shift to the Science of Reading," featuring an outline of Texas and a highlighted district, produced by Amplify.

Robstown Independent School District, Texas: Texas’s Robstown ISD doubles first-grade benchmark scores—from 22% to 44% in one year—using Amplify’s early literacy suite.

Cover page of a PDF titled "Making the shift to the Science of Reading," featuring an outline of Ohio with text and an orange banner labeled "District Success Story.

Blanchester Local School District, Ohio: Proficiency climbed to 76.1% with Amplify CKLA, leading to Ohio’s Governor’s Science of Reading Recognition Award.

Amplify CKLA: The research behind the knowledge-based approach to reading comprehension

The baseball experiment: How two Wisconsin researchers discovered that the comprehension gap is a knowledge gap

CKLA Curriculum: Links to research on teaching and learning

Amplify Caminos: The research behind the program

Cover page of a PDF titled "Making the shift to the Science of Reading," featuring an outline of Minnesota with Saint Paul Public School marked.

Saint Paul Public Schools, Minnesota: Saint Paul Public Schools raises reading proficiency from 23% to 86% in one year with Amplify Caminos and mCLASS Lectura.

A PDF document titled "Louisiana’s Reading Renaissance" with a line graph depicting Grade 3 LEAP scores in districts using CKLA for 2+ years.

Louisiana’s reading renaissance: Implementing CKLA drives 3rd grade LEAP scores across Louisiana.

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Ohio’s literacy lift: CKLA implementation raises grades 3–5 OST performance statewide.

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Explore more of our research.

Learn more about the research behind our programs.

Amplify ELA

Amplify ELA is designed specifically for middle school, based on extensive resea…

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Boost Reading

Leveraging compelling storytelling and the latest research, Boost Reading (forme…

mCLASS

Based on over 30 years of research, mCLASS® is the gold-standard assessment and…

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