[Jolabent]

If you click on that link at the top Hiei, you will see each course and what stats it gives you upon completion. Now it could give you a whole stat level if you are level 1 and it gives 20 lol. Each one differs depending on the course.

These don't hurt to take, and no they don't give you a full level but every little bit helps when you get gym points, esp. when you start getting into level 10 and up where it takes 1000+ points to get one level.