Teacher time schedule algorithm

Question

This is a problem I\'ve had on my mind for a long time. Being the son of a teacher and a programmer, it occurred to me early on... but I still haven\'t found a solution for it.<

Answer 1

One of the worst open source webpages ever, but the project looks promising: http://www.lalescu.ro/liviu/fet/

A web-based aproach:
phpScheduleIt (not school-specific)