I’d start with this plan, but the program Badger posted above is solid too.
Might also be a good idea to take a look at this thread where a bunch of experienced folks talked about what they wish they knew sooner. Since you’re starting out, you might be able to pick up some common themes in the advice.
Not for nothing, but that sounds like pretty standard teenage life. Everyone’s been there, everyone got through it, even if it sucked sometimes along the way. @duketheslaya and @hugh_gilly are around your age so you might want to check out their training logs and pick their brains for a different perspective.
I will say though, forget about your T levels. They are what they are and they don’t need any special attention. Focus on training hard, eating well, and being active in general.