Alright - this is how it works. If you don't know their email address or password, then:
1) It is not your account,
you said 2) It is a teachers account,
therefore 3) you shouldn't be hacking them because it is illegal and immoral.
Also, in case anyone else was wondering, there is no "simple" way to hack. It takes years of practice and learning - and even then it's not a piece of cake! If you want to learn how to hack, then go and look around for some good tutorials on hacking.
well well well.....well as i think kazza can give u more porn then u can handel so there is no use of hacking any thing....well just keep your eye open and use kazza baby.....