UCLA offers a summer discovery program for middle and high school students in all fields to explore their future careers. The deadline is in May and they offer financial aid for students https://www.summerdiscovery.com/?keyword=summer%20programs%20for%20high%20school%20students%20in%20california&matchtype=e&device=c}&cpgn=7967821163&adg=81114800054&GA_loc_physical_ms=9032008&creative=394904663880&gclid=CjwKCAiA65iBBhB-EiwAW253W8a6ouezO8wUn44qwd1Spj5TCBGZ7O4cqIXa9vbYwP6rAgZk1u36jRoCQ7YQAvD_BwE