If not, perhaps you could arrange tutoring or private lessons Take piano lessons. Find a piano teacher who will work with you on both piano and basic theory skills. This will help you prepare for both the required theory classes and class piano study. Even if you have only a few months to study, every little bit helps. Contact a local community college or university.
Many schools offer fundamentals classes in the summer and evenings.
At some schools, high school juniors and seniors are eligible to take such courses. Take an on-line fundamentals course. A wide variety of resources is available on the Web. Belmont s web site provides links to some sources of information. See our Links page for more ideas.