I haven't reached my "grown woman" girly-girl stage yet so I don't really wear purses. I wear those Victoria Secret's PINK bags. (More like duffel bags!)
So here goes:
Cell phone
Cell phone charger
Ipod Touch
Lip gloss
Lip balm
Compact mirror
Eye liner
Granola bar wrapper
School ID
Passport
Cash/ a butt load of coins...my bag jingles when I walk lol.

Comb
Brush
Keys with a whole bunch of keychains from different countries & islands.
Pens
Crumbs....from granola bar, hahaha!
Straws
Aleve pills
Hat/ sweater (depending on the weather)
Room temp. Poland spring water
Expired McDonald coupons
Pony tail bands
W/e candy I bought that day
School schedule
Bank balance reciepts
Hand sanitizer
& Bath & Body works Cherry Blossom lotion
....I think that's all