Lol, we had our Photos and Muck up photos done in Feb it was a totally random..i regret not buying a 'proper' costume cause i left it to the last minute but it is really hard to think of what you want to dress up as haha took me so so long and still don't know (haha). nearly half of the students in my year didn't bring a costume, it was funny and not too many student placed an order for the photo aswell.. it was only like 20-25 people order it out of the whole year 12. That shows how bad it is.
For the Muck Up Day, i don't think we ever had one before which i don't know of but some ideas on here i really wanted to use on teachers that everyone hates haha Duty Principle along with some students. haha. ^^