There are a number of different magic schools in the game, including:

• Attack Magic: Primary damage school with a strong melee focus that requires low MP
• Ranged Magic: Primary damage school with a well-balanced ranged focus that requires average MP
• Casting Magic: Primary damage school with most targets but highest MP cost
• Trick Magic: A useful mix of skills, some can be used outside of battle too
• Drain Magic: Skills to absorb HP, MP or stealing items from monsters
• Healing Magic: Includes cure skills, revive skills and skills to remove conditions
• Support Magic: Skills that induce buffs and other handy effects
• Time Magic: Slow enemies and speed up allies
• Protection Magic: Build walls for protection, take over damage from allies or increase defense with buffs

For a more comprehensive guide, read our blog post at:
http://www.rainbow-skies.com/news_49_magic-school-system.html