The founder of Khan Academy built the ultimate school for kids to work and play together - take a look inside

Sal Khan is probably best known for launching Khan Academy, the free online learning platform that covers everything from art to history to computer programming.

But Khan is also leading the charge on another learning revolution: flexible learning spaces.

Originally founded as an all-ages school in 2014 in Mountain View, California, Khan debuted for the 2017-2018 school year the brand new Khan Lab School for high school students. Designed and built by the architecture firm Kurani, the school blends traditional classroom learning with student-led projects.

The approach takes a hard left turn from regular schooling, and it could pave the way for schools of the future. Here's what it's like.