A complete list of free non-science/math summer programs for juniors:

TASP
Notre Dame Leadership Conference
Is this really it? Does anyone know anything else?

NSLI-Y!

J-Camp for Journalism
Ad-Camp for Advertising (tuition free with scholarship, travel and lodging not included)

try mysummeradvisor.com and look under Academic Programs. You can search by subject and then free programs. There is also an article about Governors’ Schools which are free. Many free programs are restricted to residents, minorities, women, first generation college-bound students, rural students, etc. However, there are lots of free programs, so don’t be discouraged.