Dating your teacher college
I don't think it would be good to use dating websites, but I believe that as long as you are not currently in a position of authority over say a former student or if there is no chance that you will be in a position of authority in the future, then I feel as if it would be okay to date them that is if you meet someone and you know you're not in a position of authority over them, it would not be breaking any rules.
Social life is natural and it takes time to bond with people.
I would set an appropriate date range to filter out the age ranges you might be cautious about. As long as you are aware of it being completely public and are okay with that, then you should be fine, though.
If you're ok with your profile being seen by your peers, students, their friends and Facebook's and maybe some meme's, sure go for it.
(For what it's worth, I am not interested in meeting people more than three or four years younger than me anyway.) I'm looking for advice that goes beyond some of the more obvious points.
Professors both young and old are known to use dating apps.