Each star means all of the 50 states because their are 50 stars. The 13 stripes mean the 13 British colonies that declared their independence from the King of Britain.
Well alternatives for college education would be vocational
or trade schools where you learn skills and get certifications for it that
proves your qualifications in that profession.
Then there is an apprenticeship where you study under an expert or
well-known person in that field. You can
also apply for a training program where you can learn a trade and find work
right after you complete it.
The US Constitution outlines that the Federal Government has the power to established powers. This is known as one of the delegated powers that the federal government had.
Hope this helps!