There are several “schools” (or “major arcana”) of magic on which students can focus.
Change one thing to another, like lead to Gold.
House Hermes/Pink is known for producing some of the greatest Transmuters.
Alchemists focus on Transmutatum.
Increase ability scores.
House Athena & Ramseses/Green is known for their astute focus on this major arcana.
Politicians, engineers, military support, and researchers focus on Augmentum.
Hiding, illusion, & summoning that which may not truly be.
No house is especially known for a focus on this major arcana.
Sneaks, spies, and thieves focus on Obfuscatum.
House Hedwhig/Gold is known for speciality in this major arcana.
Adventurers and warriors focus on Evocatum.
Personal manipulation, heal, & divination
Roflpuff/Blue is known for their expertise in Charismatum.
Healers and diplomats focus on Charismatum.