Forbid or block application installs

Hi...

I've kind of a problem, that I hope there is a way to be resolved..

I manage a computer laboratory with a bunch of macs of which we create a main image and copy them to every single one. One problem we have sometimes it's students installing applications like games and such, since installing some of them on a Mac it's just a matter of copying it into the apps folder...

Is there a way to forbid this? either by asking for an admin password or something like that?

I've been trying to find this all morning and I've just not been able to find anything related.

Thank you very much in advance

Rick

P.S. Computers are using Snow Leopard

 

We have to have the computers on a domain, so every single student logs in with their own user controlled by the school domain...

If you need more info I can check with the lady that controls the domains...

Thanks

 

It's their own folder... that cannot be controlled? (no wonder I did not found anything... I thought I was loosing my google search abilities...

mmm... then at least, if something happens, we can blame the student...

Ok, thank you very much for the help... No I have to win my stupid battle with some FLEXlm errors I have

Rick