its: 9,37,15. but you have to act like its a real locker and turn right for 9, then left for 37, and then right again for 15.
the combination is 9,37,15.
It is in the school.
in the school there is a locker on the bottom floor it is on the left side of lockers and when you find the locker that lets you click on it you have to enter the combo 9 37 15 and the guide book is inside!
you look for the locker that is different then the others :-D
Open Greg's locker.
Open Greg's locker.
you go to greggs locker
5th lockers from the broken locker go to the right
His locker combination is 9-37-15.
If you're talking about the Twisted Wizard CD, complete the Twisted Wizard game for Greg. The cheats are in a locker in the school. There's a piece of paper with the locker combo on it in a tree by the school.
In Greg's locker>
you cant.