I would disagree but only because you limit it to the FT's own classes. I think any girl at the FT's own school is completely off limits. To date a student from the same school is simply unprofessional and 100% unnecessary. The professional behavior of the teacher, even personal behavior that is related to the job, is certainly the schools business. To limit it to only their own classes ignores the fact that he has developed personal relationships with his coworkers. A teacher will probably be able to exert pressure and control over a student that's not in his class, or grant them favors, through those relationships. If a FT is simply after young tail, he can always park outside other schools: this would remove the power differential and also allow the students he chases to identify him as the predator he is. Sunlight is the best disinfectant.

JP