A Story in the Naked In School Universe
I don't know if Karen Wagner was inspired by this story, but it appeared shortly before she stated the genre. The author is unknown. Rather than naked kids, the teachers are naked with the (successful) intention of inspiring learning.
When Portuguese priest, Padre João, headmaster of a Macau Catholic school in 1934 discovers that 14-year-old, handsome, blond student, Clayton Bryant, whose parents work far away, is interested in a life of being covered by men, the priest doesn't condemn him, he helps him do what he wishes. After selling the boy's virginity to a Chinese Macau Triad chieftain and then helping himself, Padre João gives Clayton over to be taken to serve men in the Bitten Peach male brothel.
A young male college student notices that a coffee shop is only employing pretty young women. He disguises himself as a girl to get a job in the establishment but soon discovers that the girl he has become must surrender her virtue to remain employed.
Beverly Parker was having trouble in school. She'd been expelled from her last school - this was her last chance. But Ms. Parker's was an all-girls school and for a promiscuous teen-aged girl, that was a fate worse than death. How would she make it through to graduate?
Tommy was having trouble in school. Partly because of the subject but mostly because of Mrs. Delgado, his teacher. She asks him to come to her house so she can figure out how to help him. She helps him in ways the school board may not approve of!
Son's best friend brother seduces son's MILF mom and Aunt. Or were they drugged. Mom and Aunt are both teachers at the same school the boys attend. The two MILF are blackmail into joining the one eye snake club. They find out there are three other MILF Teachers already in the club. At the end the son is the master.