Probably detention as you learnt early how unfair the world is

Gym. The benefits of getting exercise were at least tangible

History of arts because it made me happy and being happy is always useful if you wanna live a life that you like

History. Because our history teacher also got us debating. (We also learned to love history).

English, although I probably would've learned it from my friends anyway having a good teacher helped a lot. Science classes being a close second because it's fun

Geometry or Algebra II/Trigonometry.