1.	Daily Active Users (DAU) / Monthly Active Users (MAU)
2.	Course Completion Rate
3.     Student progress (what lessons and courses they have completed)
4.	Time Spent per Session / per Course – Indicates content engagement and usability.
5.	Lesson Drop-off Points – Identifies where users lose interest or get stuck.
6.	Content Rating & Feedback Loop – User-rated content quality for continuous improvement.

Anyone else have suggestions?