broadwayfan7 offers some wonderful advice. I'll second that.
If theatre is your passion, stick with it. Don't let anything stand in your way, and don't give up.
Broadway isn't the end all be all of theatre, either. There are performers who make successful livings in regional theatre only. Look at Deanna Dunagan who spent her entire career doing Chicago theatre, and then, in her 60s, last season, made her Broadway debut, and won a Tony Award.
Go to school for it. Get the degree. You will find work somewhere, always, and you will be happy.
I also recommend posting your question on the Student Board here at BroadwayWorld. That board is made up of students just like yourself pursuing and looking into theatre programs.
Student Board
"Winning a Tony this year is like winning Best Attendance in third grade: no one will care but the winner and their mom."
-Kad
"I have also met him in person, and I find him to be quite funny actually. Arrogant and often misinformed, but still funny."
-bjh2114 (on Michael Riedel)