5. Perhaps - qualify for a scholarship to a University for their marching band program.
It's true, a high school friend of mine got a full ride at Harvard with a B+ average in High school because she was an excellent Bassoon player, and Harvard needed one!
IF you're intent on a music degree, prepare yourself with formal piano lessons, mallet work etc... there's no way around it. You will need to take theory, composition, performance (and not just on a drum kit).
IF you think you're going to North Texas to play a kit... that all comes into being after doing the pre-degree foundational course work.
There are a lot of programs now that don't require any foundational/classical percussion work. Especially Berklee, the school is almost exclusively rock/pop now, so you don't see the classical percussion as much. At NEC, the school is about 80% classical, and 20% jazz, but the jazz drums program doesn't require you to play anything but kit (and a little piano for theory/comp).
That being said, I started out with fife and drum, and classical percussion, and I think it's hugely beneficial to start there rather than jumping right into drum set...
Heck military bands are just about all made up of college grads these days.
It's true! Actually military bands are a great deal for musicians. You join as a 2nd Lt, so you make about 60K per year to just woodshed. After 4 years, you have an amazing resume, and have saved up a boat load of money!