One workspace for modern classroom instruction.
Build assignments, differentiate access, monitor understanding, and give meaningful feedback — all in one connected workspace.

1. A light ray strikes a mirror with an angle of incidence of 35°. What will the angle of reflection be?
Keep students focused. Keep teachers in control.
ClasFlo gives you visibility into student activity and lets you choose when students are warned or paused for review.



Turn any video into an interactive lesson.Turn any video
into an interactive
lesson.
Add checkpoints, generate questions with AI, and turn passive watching into active learning.
Checkpoints at the right moment
Place checkpoints anywhere in the video so students stop, think, and learn.
Build faster with AI
Generate high-quality questions from your video or transcript in seconds.
Preview before assigning
See the full activity exactly as your students will experience it.


Pick students fairly. Keep everyone ready.Pick students fairly.
Keep everyone ready.
Choose from your ClasFlo roster, avoid repeats, exclude absent students, and keep participation balanced across the class.
Everyone gets a turn
No-repeat rounds help spread participation across the class.
Built from your roster
Pick directly from your saved ClasFlo classes in seconds.
Teacher controls
Exclude absent students, undo picks, and reset rounds when needed.

See who gets it. Support who doesn't.See who gets it.
Support who doesn't.
Track understanding throughout the lesson. Record each student's progress in a click, see groups update automatically, and use the results to adjust instruction now and plan what comes next.
Change each check with a click
Click a student's check repeatedly to cycle through Needs Support, Almost There, On Track, Ready for More, and Absent.
Watch groups update automatically
Each change instantly moves the student into the matching Live Group Summary on the right.
Use progress to guide instruction
See who needs support now and use patterns across three checks to plan what comes next.

