I doubt if you can contact support and get cleanwipe, as you may not have the license details for the SEP that is installed on your PC.
In such case you can go with one of the following options.
1) If you have administrator rights on your PC, you can follow the manual uninsyall process by following the document at the following link.
http://www.symantec.com/docs/TECH96924
Note: Use the link for Win7 as the uninstall procedure is the same for Win7 and Win8. If you are unable to disable "Tamper Protection" as mentioned in the initial step, you can skip that step by booting the machine in to Windows safe mode and then following the rest of the removal procedure.
2) If you don't have administrator rights, can may contact the network administrator of the university for help.
3) Backup your data on the PC and Reinstall Windows OS.