The Learning Dashboard is the homepage for Khan Academy. There are currently 1,419 skills in the Learning Dashboard. Users can personalize it and level up skills by completing Mastery and Booster Challenges. User can also see how much energy points and badges they have in the Learning Dashboard.
"The new learning dashboard is user personal homepage on Khan Academy. The dashboard gives user an easy way to find the best next things for user to do. It has a bunch of really cool things designed to help user learn math, and soon other subjects, really well on user's own or with a coach. User can access it when they’re signed in by clicking on the Khan Academy logo at the top of the page." - Khan Academy Staff
The new design for the Dashboard has been released (shown below) and it allows users to customize their skill choice further.