The complete instructional platform

One workspace for modern classroom instruction.

Build assignments, differentiate access, monitor understanding, and give meaningful feedback — all in one connected workspace.

Designed by teachers, for teachers
Built with student privacy in mind
Works across classroom devices
Student wearing headphones working on a laptop in class
TypeVoiceVideoDraw
Voice Response
Record a voice response for this question.
Recording ready·0:04

1. A light ray strikes a mirror with an angle of incidence of 35°. What will the angle of reflection be?

Audio Response
0:00 / 0:20
Build engaging assignmentsCreate questions, import content, and add media.
Support every learnerProvide translation, other accommodations, and flexible ways to respond.
Monitor understandingUse CFU and data to guide instruction in real time.
Engage with interactive videoAdd checkpoints that keep students active.
Give meaningful feedbackGrade with AI, audio feedback, and rubrics in one place.
Academic Integrity

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.

ClasFlo Academic Integrity settings showing activity detection, responses, and thresholds
ClasFlo student assignment showing an Activity Reminder warning
ClasFlo student assignment paused for teacher academic integrity review
Activity detection
Track assignment page exits, window focus loss, fullscreen exits, large pastes, and rapid activity.
Custom thresholds
Decide when a warning or pause should happen.
Student warnings
Give students a reminder and a chance to stay on task.
Automatic pause
Pause the assignment when a safeguard threshold is reached.
Teacher review
Review the activity and decide when the student can continue.
Video Activities

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.

1 · Create
Add checkpoints and questions while you build.
ClasFlo teacher creating an interactive video activity with checkpoints
2 · Students Respond
Students watch, answer, and continue.
ClasFlo student answering a checkpoint question during a video activity
Timed checkpoints
Questions appear exactly when you want.
Instant scoring
Students get immediate feedback.
Replay controls
Students can revisit key moments.
Retakes supported
Allow practice and improve mastery.
Progress tracking
Monitor completion and performance.
Random Picker

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.

ClasFlo Random Picker selecting a student from a class roster
No-repeat rounds
Prevent the same student from being picked again until everyone has a turn.
Exclude absent students
Automatically remove absent students from the pick list.
Fairness mode
Balance participation so every student has equal opportunities.
Saved classes
Create and reuse class rosters anytime to save time.
Undo last pick
Revert your last pick if you change your mind.
Live CFU Monitor

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.

Needs Support
Almost There
On Track
Ready for More
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.

ClasFlo Live CFU Monitor showing student understanding checks and automatic group summaries
3 Lesson Checks
Track understanding at key moments.
Live Group Summary
See where every student stands.
Student Notes
Capture observations while teaching.
5 Understanding Levels
From Needs Support to Ready for More.
Save Your Monitor
Return to your CFU data anytime.