I dont know about your school, but on mine you can go to: (On the school pc ofc

)
My docments (and at the left it sais network places, click that

)
Then if there is nothing there you enter \\(the name of you school network server (mine stands on the logon screen

) )and then you got to:
Example:
\\sss(wich is my schools server name

)\profiles.
In here i got access to all the files on every user (yes even the admins) so i've gone through a lot of tests this way
we also have a directory called AdminShare (wich is where all teachers share their thoughts about you

)