Hi @jspritts!
Thank for your post!
If your school is using Unified Classroom then we have a help article here that hopefully can help get you through the account creation process
https://docs.powerschool.com/UCHSP/getting-started/powerschool-id/create-your-powerschool-id
If you aren't sure if your school is using Unified Classroom or you don't have the Access ID and Access Passwords for your students, you would want to reach out to the school to make sure you have everything that you need.
Thanks!
-Kevin