FREE HARVARD COURSES
They have SO many courses for free of various subjects of your interest so check them out
This may potentially help you discover which career path you are most passionate about
I am currently taking cs50 intro to cs and it has taught me more than the cs class I took at school. This course is allowing me to understand how actual programming is & will look great on your college apps because you are showing that you are furthering your knowledge/interest in a particular subject!
So be productive and learn something NEW
HIGH SCHOOL EXPERIENCES
High school students share their experiences that helped shape them to be a better person.
Read them so that you can learn from others on what steps you should take to become successful in high school.