& lt& lt Harry Potter >; What is the O.M.L.S exam in> Middle School?

Ordinary wizards take the O.W.L.S exam, and the subjects include: astronomy, magical biological protection, magic, defense against the dark arts, divination, herbalism, magic history, potions and transfiguration.

Grades are divided into: qualified grades: excellent (O)

Good (e)

By (a)

Unqualified grade: poor (P)

Very poor (d)

Range (ton)