Khan AcademyThe Breakthrough Junior Challenge is an annual challenge that invites students, ages 13-18, to share their passion for mathematics and science with the world!

2015 Challenge

The 2015 Breakthrough Junior Challenge ran from September 14, 2015 to November 8, 2015. We were impressed by the depth and range of math and science concepts covered in the challenge, and have chosen our favorite videos to share with our community.




STEM Careers