Why get discouraged so early, so easily?
7 AP classes are achievement in it of itself. Keep up your GPA and your standardized test scores, which are much more important than being a president of a club.
Also, I want to ask whether your physical “limitation” is something you placed on yourself like a mental barrier from success. May I be the first one to remind you that many, many people in the past and present have succeeded despite their (severe) physical disabilities.
Best of luck and we’re always here to help.