I have a hardline rule of keeping my professional and private lives as separate as possible and not once have I regretted it. But as has been said,
Compsognathus posted...
Work friends can be real friends but not all work friends are real friends.
and the same applies for school/etc.
Look, I can name a few instances in MY life where I tried to reach mutual understanding
and i can TELL you, always faster and easier to just kill em. Just is!