when she said that her programmer had taken a pot of pills and that she missed her dad, i felt sorry for her. knowing that she doesn't exists. well done!
to make it past level 20, just run at the clif, jump, and while you're falling keep holding right arow and keep pressing up.
than press the spacebar, and eventually you'll make it across
to open the lasers by the lockers, open the most left locker (to get the code, click the jacket) click on the thing inside, you will see 3 symols: Triangle, square and circle. try al three of them. one is is the right one.