So Calliope was wrong about gendered classes, huh? Although, I shouldn't be surprised. Classes are supposed to challenge your personality faults, so the classes being non-gender-locked would make sense.
Calliope offers a bunch of really useful exposition on Classes, however she’s also very much framed as another Theorist just like the Homestuck Fandom. The role of the Prince and a few of the Class Pairings work well enough, but when it comes to Gendered Classes, she was basing it off the things she had read from Rose’s Book, assuming ‘Prince’ was male and ‘Witch’ female exclusive merely because of the words themselves.