Everything you need to understand or teach The Golden Enclaves by Naomi Novik.
The Golden Enclaves is the final novel in the Scholomance trilogy. Now that El and her friends have graduated from the Scholomance, they enter into the real world and find themselves in the midst of an international conflict that is heating up toward a war. When the corrupt New York enclave attempts to use El's half-monster boyfriend, Orion, as a weapon, she must find a way to destroy the darkness inside him to save everyone she loves. The novel explores grief, family, power, evil, and the difficulties of deciding how to do a good thing.