I play on mac with a save file of 4 young adults and a cat living in a penthouse in san myshuno enrolled in 4 classes each at ubrite. They are in their 2nd term, and starting on the 2nd-3rd day of th...
Ideas
there's some known issues for Mac currently.
Check out the Mac forum for those: The Sims 4 Technical Issues - Mac | EA Forums
Please do make sure to test without any mods/cc at all to rule that out.