Research

Research and evidence set CLASS apart

Learn how CLASS measures effective interactions and why this matters.

Over 150 research studies prove that students in classrooms with high CLASS scores have better academic and social outcomes.

Math & Literacy Gains

• Better performance on math problems
• Increased vocabulary knowledge
• Improved listening comprehension

Social & Emotional Gains

• Reduced problem behaviors
• Minimized conflicts with teachers
• Greater inhibition of impulsive behaviors
• Improved social competence

Cognitive Gains

• Better working memory
• Improved inhibitory control
• Stronger cognitive flexibility

Classroom engagement

• Increased enthusiasm for learning
• Positive engagement with teacher
• Greater cooperation, persistence, and attention
• More involvement in class activities

Explore CLASS Research Papers

Get the Facts about CLASS

Research

Effective Teacher-Child Interactions and Child Outcomes

A Summary of Research on the Classroom Assessment Scoring System (CLASS) Pre-K—Third Grade

Recommendations for Using the CLASS in Inclusive Early Childhood Programs, Birth–Age 8

How to use the CLASS tool in classrooms where most children have IEPs or IFSPs.

State of CLASS 2015 Report

Key takeaways and learnings on how educators around the world are using CLASS.

RESEARCH IS IN OUR DNA

Research-Based Insights

CLASS was developed in 2008 by education researchers at the University of Virginia’s Center for Advanced Studies in Teaching and Learning (CASTL) to scientifically capture the essence of great teaching.

Data Driven Improvement

The CLASS model is the most researched framework for assessing teacher-child interactions, measuring their quality, and turning those metrics into meaningful suggestions for improvement.

Validated Professional Development

CLASS-based professional development programs are not only built on a strong research foundation—they’ve been proven by dozens of studies to impact classroom quality, improve child outcomes, and increase teachers’ job satisfaction.

Improve Your Classroom Quality

Now that you have the facts, get the solutions.

View Solutions