None of us are doctors (at least so far). None of us are even chiropractors. You're too young to play around with this, as it could affect you the rest of your life. Go get advice from a professional.
Wise men speak because they have something to say; Fools, because they have to say something.
with crash in using a bicycle to not be weight bearing on your way to school.... and if your carrying a heavy load of books ..you need to stop doing that as well... what i did ....was to have two sets of books
1 @ school and one set @ home ..so all's i had to carry were my notes.
i forgot to mention thermal care knee wraps that you can buy at your local pharmacy for temporary relief... with heat.