I got a list of abilities taken from the character sheets. Might be a bit easier to understand
[u]Students[/u]
Charlize: Elemental powers.
Leo: White magic (barrier, minor healing and cure illness).
Katherin: Snow and ice abilities.
Romeo: Fire control, fairy form (in his fairy form, he has fireballs and fire shield).
Synn: Telepathy, telekinesis, extra abilities (unknown as of yet).
Yakumo: Pretty much every magic ever.
Kaelyn: May become invisible in darkness/shadows, large amounts of skill in sword fighting.
WireJack: Unknown, probably some kind of hacking ability.
Zane: Suit of magic shadow armour (or maybe a ring, or maybe the armour turns into a ring), can make Zane fly and become shadow like. Can also produce a sword and shield.
Jago: Barrier magic
Tyler T: Jack-of-all-trades elemental magic
Emily: TBA

[u]Teachers[/u]
Kayleb: Trans-dimensional storage, summoning stored items, minor sleep-inducing powers, ability to summon really comfortable office chairs, ability to teleport to office chairs, unreliable teleportation
Alastair: Demon arm, demon physiology, necromancy.
Dodo: Intangibility, shapeshifting, psychokinesis (pretty much every psychokinesis), making the best spaghetti you’ve ever tasted.
Mr. G: IDK, most likely demon powers.
Kryssal: High amounts of skill in all advanced weaponry, really good memory, large amounts of kicking ass apparently
Alphonse: Changes body into photons and controls them. Also, top hat.

[u]Headmasters[/u]
Headmaster beast: Really strong and fast, enhanced reflexes, some kind of magic or something
Headmistress Issabella: Illusion magic, herbology, archery, hand-to-hand combat, vampire.
Headmistress Dark lady: Master assassin, anatomy, usage and creation of tools (idk what tools), dark magic and necromancy.