LOOK HERE I KNOW ILL MOST LIKELY GET FLAMED BUT PLZ HELP!!!!

OK i AM 14 I GO TO SHAFTESBURY UPPER SCHOOL (SPORTS COLLAGE) ENGLAND
MY NAME IS THOMAS GREEN AND I NEE F*CKING HELP BAD THE SCHOOL USES MOSTLY DELL P4S AND ( HERE E GO PLZ DONT FLAME ME ) EVERY SITE I LIKE IS FILTERED I THINK THERE USING NET CARE 3 BECAUSE ON LOADING UP IT SAYS WELCOME TO NET CARE 3.
ANY WAY I NEED TO KNOW HOW TO BYPSS THERE BLOODY FILTERS COS AND I AINT GOT THE NET AT HOME SO I CAN GO AND GAMES AND STUFF THERE I AM GOOD WITH COMPS ( EVERY 1 CALLS ME THE COMPUTER GEEK GOD DAMM THE ALL ) BUT ANY HELP WOULD BE NICE

SORRY ABOUT THE LENTH OF THE QUESTION
PS CAN DOWNANY THING COS THATS FILTERED 2 BUT IF I HAVE GOT TO I CAN DOWNLOAD IT WERE MY MUM WORKS