Kyh. So sorry to hear about your ex’s assault. Her not having a memory makes sense to me. Could be the drugs she ingested (Rohypnol?) and a reaction to the trauma of being assaulted. Really hope she made a police report and had a rape kit done. Her telling you instead of her family or friends also makes sense to me. She obviously trusts you and maybe thinks the father of her children should know if the fallout from this has an impact on her availability to your kids. I know if something like that happened to me, I would want XH to know. Not because I would expect him to do anything about it but because I know it would likely mess me up for awhile and he would need to know in case the kids were impacted in some way.
Glad to hear your kids are doing well. My D14 and S14 started high school this year (we don’t have junior high, just high school [Grade 8-12]) and they both like it a lot better as well.