On the surface the witchers appear to be a homogeneous social entity, but in truth their fighting styles, training regimens and world views differ significantly depending upon the school to which they adhere. The best-known witcher schools on the Continent are the School of the Wolf, the School of the Bear, the School of the Griffin, the School of the Viper, and the School of the Cat.
— Witchers: Not Quite the Devils You Thought by Unknown. (insp.)