I did try the suggestions of using Twallans traveler and mastercontroller to get my sims to return home. I did reset the sims and i did save it as an alternate name then reload from the main menu. The sims just keep reappearing at their dorm!
I made the mistake in a previous visit to University of inviting relatives to the graduation. I didn't find out there is a problem with that until my new generation of sims went to school and are stuck there.
Any idea how I can get them home or is this game over?
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http://simswiki.info/wiki.php?title=Game_Help:Restoring_Backup_Saves