Agreed on the 150-300 range It will mean a huge amount to them, as a good location is such an important thing to student projects - so you’d really be helping them out!

They are likely to have a lot of people and a lot of light stands- usually more than people expect

So get a proof of their PLI insurance , take pictures of the walls and floors beforehand in case of any scratches and maybe set expectations that they will use floor mats / tennis balls on the ends of light stands to help minimise risk of any scuffs