Knowledge is Discipline of magic revolving around magical theory. Knowledge students are stated to be drawn, mind and body, to the discovery of magic, primarily dealing with the deepening and discovery of magical knowledge as a whole.
Students in the Knowledge discipline are innately attracted to the discovery of magic. They are considered a bit of every branch with the possible difference that their objective is not to actively practice like other Magicians but to discover, reshape, or deepen the knowledge of magic.
- Meta-Composition: The understanding of the theories behind spells and the ability to reshape them. It was revealed that Julia Wicker specialized in Meta-Composition by Henry Fogg after she was detained at Brakebills.
- Horomancy(possibly): The ability to use clockwork to manipulate magic to various effects, including manipulating time. Jane Chatwin was a proficient horomancer, who was able to create a time loop used to defeat The Beast, having learnt from the Dwarves. Other horomancers include Daniel Kikuno.
- Circumstantial Prognostication (possibly): The accurate prediction of circumstances, and their effect on magic. The only known magician known to possess this discipline is Daniella Marcus, a Brakebills graduate helped Julia to understand the Harmonic Convergence.