Update: How mastery percentage is calculated

We've updated how mastery percentage is calculated in the classic Khan Academy experience.

Your mastery percentage is the percentage of skills in a course or unit that you've reached Proficient or Mastered on. Both Proficient and Mastered skills count for full credit toward your mastery percentage.

For example, if a course has 20 skills and you've reached Proficient or Mastered on 5 of them:

5 Proficient or Mastered skills ÷ 20 total skills = 25% mastery

Skills that are Not started, Attempted, or Familiar don't count toward your mastery percentage.

What does this mean for my mastery percentage?

If you use Classic Khan Academy, you may see your mastery percentage go up or down as a result of this update.

As you continue learning, reaching Proficient or Mastered on more skills will increase your mastery percentage. Keep in mind that skill levels can also move up or down based on your performance as you practice.

With this update, mastery percentage is calculated the same way across the Classic Khan Academy experience and Khan Academy Reimagined.

For more details about how the calculation works, check out How is my mastery percentage calculated?.

As always, you're welcome to share questions or feedback in the comments below!

xyzyyxx

اگست 25, 2026 23:57

If I have to be honest, I prefer the old system. It motivated users to master the skills instead of just getting proficient on them, as getting only proficient on everything only got you up to 80%. After all, mastery is supposed to be about spaced repetition; it's supposed to test how well the knowledge stuck with you. Other than that, it was also more gradual and created a more of a feeling of progression. But that's just my opinion; I'm interested in what others think of this :)

Olamoth Artyom Tetrakleitos

اگست 26, 2026 00:12

It seems to follow the level bar logic, it's consistent on that, even if we don't have a good way to see total mastery progress in classic khan academy yet

cwalsh1223 ‮BBB#‬

اگست 26, 2026 01:33
Edited

I noticed this change. I had to mentally adjust from /80 to /100, because I don't aim for mastery on my grinding account. I agree with what Xyz Y said about it.

Alex Taylor

اگست 28, 2026 06:34

I agree that the old system gave a stronger sense of progression. Having Proficient and Mastered count the same makes the percentage simpler, but it also removes some of the motivation to go the extra step toward Mastery.

Update: How mastery percentage is calculated

What does this mean for my mastery percentage?

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