two extra hours of school in which arts students waste their time learning meaningless crap about a certain art feild, while paying a tution of over 1500 dollars
mostly used as an excuse for why nothing ever gets done in your life
like a FAME school
also see CoSA KID
"do you want to hang out tommorow?"
"naw i cant. i have CoSA"
"why didnt you do all of your hw?"
"i had CoSA"