go to school, to attend CLASS.
C.L.A.S.S. = Come Late And Sleep Silently.
at home, we have to STUDY.
S.T.U.D.Y. = Sleep, Tv, Unlimited-sms, Dota, Youtube.
... ............
in class, we're given HOMEWORK.
H.O.M.E.W.O.R.K = Half Of My Energy Wasted On Random Knowledge.
while doing homework, we refer to TEXTBOOK.
TEXTBOOK = TEXTing + faceBOOK