WARRIOR:
Smithing (Armorer has been replaced with smithing)
Heavy Armor
Block
One-Handed
Two-Handed
Archery
MAGE:
Restoration
Destruction
Illusion
Alteration
Conjuration
Enchanting (Enchanting was 1st and last seen in Morrowind)
Stealth:
Alchemy
Light Armor
Speechcraft
Sneak
Security
Mercantile
source: http://www.revolutionofgaming.net/forum/xbox-360-gaming/19594.htm