kids and teens have school every weekday so they tend to leave your club gathering due to school hours. On a side note, learning sims work schedules makes a big difference for club gathering. Also you will see them jogging or at public venues, so even if Bella should be at work you can still see her at a retail store or something. However npc sims at work will usually show up at your house if you call them and stay, as if they shouldnt be at work. If she is at a club gathering and her work starts while she is there she will leave when work starts. If you have her at a club gathering and its her work hours, she will show up and then immediately leave. If you are at her house when her schedule would call for work she will leave the lot when work would start. If you go to her house while she should be at work she will not be home. She is a spy, you can view her work schedule is you ask her about her career. Unplayed Sims will go to work, but only sort of.
