well we have the same problem in the school and i think there is no hope in our school.
first we can't use any proxy server because we can't access tools/internet options. then there is some guy monitoring us the whole time. They can remote control the pcs. The program they are using is called altris vision
http://www.smartstuff.com/downloads/vision/Vis.pdf
anyone know how I can deactivate it? can't access dos command.
Operation System is Windows 2000