i thought that i was the only wan ka na and the schol security sux

As i said, my phone was stolen by a bastard from dunno which class
came into my class and stole my phone & the money inside my wallet...
but my another friend have her wallet missing too and another wan with his phone gone missing too!!!!!!!!!!
our teacher report the matter to the DM and guess what the hell they say???
'THERE'S NOTHING WE CAN DO'
what kind of school is this??????