While in real life, teachers normally use their students' first names, in fiction, they invariably only refer to them as Mr./Ms. Last Name. Particularly evident in high school settings, where all students are inattentive slackers and all teachers are condescending pricks who love nothing more than throwing everyone into detention.
Five hats means that five tropers think it is ready to publish.
You are saying that you think this draft is ready to be published. That means the description is not ambiguous,
it doesn't duplicate an existing trope, there are at least three examples, and the title makes sense.