The CLASS system provides solutions that support your improvement efforts.
Mix and match CLASS-based resources, or follow this sequence:
Measure effective teacher-child interactions.
Ensure fair, accurate, and useful CLASS data.
Grow and strengthen your data collection capacity with our observer training, certification, and quality assurance programs.
Focus on what matters—the interactions that help children learn.
“I love the way you have built the CLASS system. It’s not just about measurement and ratings—it’s also about professional development and guiding overall classroom quality.…The best tools are the ones that can be used holistically.”
Program Director, Denver Preschool Program
Get your staff focused on interactions, no matter what age or grade they teach.
The CLASS system covers birth through grade 12.
Who Uses It?
Across the country and around the world, the focus on effective interactions is growing.
Making a difference for children at risk.
See how Head Start programs are focusing on the interactions that matter.
Get teachers focused on providing effective interactions—before they start teaching.
Raising the bar for quality childcare.
Learn more about how CLASS observations predict child outcomes better than other common QRIS metrics.