Spaced Practise (Mastering Older Courses) easily available on the home page

Imagine I finished studying a course and have since moved on by about 6 courses, meaning that I no longer have space for that course on the home page. Over time, I will be forgetting what I learned in that course. Therefore, I need a way to go back to that course without having to keep remembering to search for it.

What would be great is a full review quiz that is accessible directly from the home page that covers every course you have mastered. That means everything from Early Math Review all the way to Calculus and beyond.

This quiz should choose questions based on the time since you last studied them and the frequency of correct or incorrect attempts on these questions. This would mean that we could use the power of spaced practise and active recall across all of Khan Academy, ensuring that I retain knowledge from Early Math Review even when I am studying Calculus.

A one-stop revision tool for everything I have completed in Khan Academy directly on the home page that only shows me questions I currently struggle with or haven't answered for a while would be great. Look at Remnote for inspiration on how to cover multiple topics in a single quiz by the way they manage spaced repetition in their flashcards.

Thank you for considering this.

Andrew

March 20, 2024 15:33

Hi chrisashmusic!

Thanks for sharing your thoughts on the addition of a mastery challenge-like test that can help you review past concepts learned across the multiple courses in Khan Academy. We are always working to add features that improve our site, and we love getting input from our community.

I've passed your feedback along to the team and it will be part of our conversation as we plan the future of Khan Academy.

Thanks for helping improve Khan Academy!

Andrei

August 23, 2025 04:36

Bump! I agree, some sort of spaced repetition aspect would be amazing. It's great that there are so many courses, but you forget things over time without even realising it. A "study" feature wherein you can select topics you want/need to remember (i.e., for a test), and Khan Academy provides a daily set of random questions from that list, would be so helpful. A degree of customisability (i.e., how many questions per day) would be elite however, if nothing else a forgetting-curve spaced repetition system would elevate the utility of Khan Academy forever.

Spaced Practise (Mastering Older Courses) easily available on the home page

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