Cynthia Miranda

I have tried on 4 different occasions to login a class of 4th graders on Khan academy and we can only get about 12 logged in at a time. The rest of the class just sits and waits for the website to ...

1. Cộng đồng
2. Technical Issues and Workarounds
3. Known Issue (September 2016): Site slowness, red error bars, and other performance issues