Here is Apple Bloom trying to give a presentation on Country Chemistry.
Classroom Follies Series
Part 1: [link]
(not titled as such, but it is)
Part 2: here
Part 3: [link]
Part 4: [link]
Part 5: [link]
If you want to see something portrayed in Cheerilee's classroom, drop it in the comments
MLP:FIM is (C) Hasbro and Lauren Faust
EDIT: Silly me, I forgot AJ Freckles
EDIT: Tried to fix the punchline... Not my best work.