If you're like me and are a bit lost when it comes to asking the right questions, I've found an article that really helped (moderators is this allowed - http://www.tom-brown.com/articles/school-visits-and-open-days-find-out-essential-que/)

Make sure you prepare as I made the mistake of turning up without doing any prep and coming away feeling like the visit for my daughter was totally uneccessary.

thank you for sharing this link :)