This is also happening to me. School performance is only improving up to "good" and work performance stays completely still at "average". I'm doing a legacy challenge where I need my sims to get promoted and the children to get perfect performance. It's required or I kind of can't progress to the next generation. Yes, I do have mods. If this is a mod problem I would love for someone to tell me what mod it is. If anyone has any kind of solution to this or any updates I would really appreciate a reply. Thanks so much. I will keep looking around to find a solution myself.
Edit: Lol ok so I know I just posted this but I decided to check my mc command center and for some odd reason the career difficulty setting was set to -10 when the default is supposed to be 0. As far as I remember I never changed this setting and I could never think of a reason why I would ever want to. I changed it to 0 just now and I'm going to test my game now to see if this solved the issue. (spoiler alert. It didn't)
MY SOLUTION: I did the 50/50 method and found out that I had an old version of the "Meaningful Stories" mod that was causing all this. I took it out and now it's working just fine.
I had the same problem of school performance not increasing. it would even drop down or stay the same. But after the 50/50 Method i found out that i had an old version of twisted mexis tool Mod. The old Version also caused lama icons on parenthood chance cards, but with the newer version this is fixed and everything works normal again.
