Students who are members of HOL for at least six months, who are younger than 17 or do not want to join the staff for other reasons, and who wish to teach a class, can apply to become "Student Teacher". Student Teachers must demonstrate maturity and good organizational skills, as well as prepare a class, grade assignments and submit House Points, as would a professor. Student Teachers are required to keep their class active and to fulfill all the expectations of a regular professor with regards to teaching a class. It’s also important to note that only a few class applications from new student teachers are accepted each year.
If a Student Teacher graduates from HOL and they wish to continue teaching, they must then be promoted to Professor. A post-graduate student cannot continue as a Student Teacher.