One thing That i now that i will not need is a compass because I go to school/ live on the ocean and can tell the directions by that. But do you really bring a pry bar to school. I also have a school uniform which limits my ability to carry things. I currently have an altoids tin with

$1.50 in quarters affixed on top with 4 ranger rubberbands
Para cord wrapped around the top.

2 breathrite strips ( I sometimes have sinus troubles)
1 gauze pad
1 can opener
1 razer blade
1 antiseptic wipe
2 advil
1 pencil wrapped in floss
1 needle
2 band aids
2 pieces of paper
4 safety pins

also in my backpack is a cpr mask

I also edc 50 feet of paracord on my belt

I always have a deck of cards in my backpack and a whole school library of books.

jace