CTU Web
Information and guidance for international students in Prague.
http://web.cvut.cz/en/ctu/international/guide/index.htm

Czech.cz
Lots of useful information and links for tourists, business travellers, expats and students planning to visit Prague.
http://www.czech.cz/

International Students Club
If you are enrolling in one of Prague's technical universities as an international student, why not allow a local student to help you settle in by signing-up for the "buddy system"? Full details of the scheme can be found in the section marked "Arrival Info".
http://www.isc.mk.cvut.cz/newisc/