This is a web serial, and I can't get the link to work on my PC, but it's working fine on mobile?? Idk. The author's site with links is here if all else fails. XD

Curse Words: SPELLCASTING FOR FUN AND PROPHET by Derin Edala

I haven't actually read this one, but I'm currently obsessed with the author's other works, so it's on my TBR list. Takes place at a magical school. Author is non-binary and Australian