Guys I read some replies to this very reasonable request for information with some concern - how can anybody conclude or advise a licence isn’t required for stated requirements. It’s being used for work, flying over a campus - that alone is a potentially risky environment, and the only correct answer to OPs question is - that flying requires a licence. It protects the college, the students, their property, the pilot and the industry reputation we operate in.
Imagine saying to (say) 12 year old it’s ok to move the family car across a freeway, they don’t need a licence because they won’t drive fast and it’s only this once..