The past few months, anhedonia and internal thoughts affecting schoolwork performance, but not diagnosed with mental disorder. let teachers know?

Were you: evaluated by a child psychiatrist or psychologist. If you haven't been evaluated - that is important.

Counseling: if you haven't already I would suggest talking to your school counselor. He/she would be able to advise you on what you should share with your teachers and maybe even speak to them on your behalf as well as helping you explore why you feel the way you do

If you feel it's OK: Beyond the label of mental disorder, anhedonia and internal thoughts affecting your school performance, depressive disorders are very common and affect mood and performance. Addressing this issue might bring about means to solve the problem. Teachers and counselors can be a very good start, after your parents, friends or your doctor.

Get help.: Although not diagnosed with a "mental disorder," atypical depression is very common in adolescents and kids. Talk to your family doc and get a physical first, to make sure you are healthy and do not have iron or vitamin deficiency or a hormone problem, like thyroid imbalance. If okay physically, see an adolescent psychiatrist who can help sort out what is going on and offer treatment options.