The most likely answer is:
But given “school teacher” + “Lana” — you might be thinking of: lana school teacher movie name
If you provide more details (decade, language, plot), I can narrow it down. Otherwise, the closest match might be: The most likely answer is: But given “school
It sounds like you’re looking for a movie about a (or a similar-sounding name). I can narrow it down. Otherwise
To give you a clear answer: Most likely you are mixing up “Lara” from “Lara and the Teacher” (obscure) or a foreign film.