go here I did this my junior year.
Also back in junior high I was the teacher assissant for the computer teacher. He logged on as system admin and told me to put in new students into the system. When he walked away I created an administrator account for myself. Later I logged back on as my admin account and created a techer acount and an extra admin one in case they found the first one. with the teacher account I created my own classroom links, all of the links were games. I added all my friends to this classroom do they could goto the link instead of getting the escape code and haveing to type it in mannualy.

Nobody but my friends knew I had this access. I also learned that if you send a message using the seesion prgram to make sure you are sending it to the right person.
By the end of the year I had full access to all teacher, administrator and student files. Also during that year we got a brand new server that my teacher gave me to play with. That was cool.