When I was a CP I was also in custodial (Epcot) and felt the same way. All of my training shifts were in the morning and I was the only person under 60 years old. How could I have been the only custodial CP in the program working in this park? Don't worry about it, right after training she'll start to be scheduled for the closing shifts where all the CPs are assigned after training, along with the younger regular cast members. More waves of CPs will be coming in over the next few weeks too and by then she should be surrounded with people her own age at work.