Schools of Magic in D&D.

Abjuration.
Spells that protect, block, or banish. An Abjuration specialist is called an abjurer.

Conjuration.
Spells that bring creatures or materials to the caster. A conjuration specialist is called a conjurer.

Divination.
Spells that reveal information. A divination specialist is called a diviner.

Enchantment.
Spells that imbue the recipient with some property or grant the caster power over another being. An enchantment specialist is called an enchanter.

Evocation.
Spells that manipulate energy or create something from nothing. An evocation specialist is called an evoker.

Illusion.
Spells that alter perception or create false images affecting one or more senses. An illusion specialist is called an illusionist.

Necromancy.
Spells that manipulate, study, create, or destroy life or life force. A necromancy specialist is called a necromancer.

Transmutation.
Spells that transform the recipient physically or change its properties in a more subtle way. A transmutation specialist is called a transmuter.