Proving CLASS® Effectiveness - A Research Summary

See what over 200 studies have to say about the Classroom Assessment Scoring System (CLASS®).
Research proves 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

Get the Facts About CLASS


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.