To all those still having problems not getting schedules & what not.
First let me say sorry you are having problems.
But I've learned with this game sometimes you got to fight to play, I realize it may sound corny, but it is what it is.
That said, I've noticed that the game at times needs to reset itself if you will, so If I were to advise you, I would say this.
Do all you've been told to do
Shut down the game,
take the mods folder out,
delete all your caches, according to this:
http://simswiki.info/wiki.php?title=Game_Help:Sims_3_Delete_Cache_Files
In addition to those caches listed to delete, delete also Sims3Launcherfilelog & socialcache.package.
Then also open up the DCBackup folder, select all & delete all of that.
reboot your system
make a test game to see if you can go to University with the test sim & see if THAT sim can get their schedule.
If that works great.
Go back to the sim you were playing before & try it with them.
Hopefully it will work then. Don't see any reason why it shouldn't.
But if it doesn't you might have to uninstall & re-install the game.
But lets hope it doesn't get that far, because that is almost like the last step.
Good Luck !