Hi, Barbara. I have a 17 year old son who was diagnosed with MS at age 13. Cognitive issues have been huge for him. Prior to his diagnosis, he was a straight A student, on the debate team and always on the honor roll. The first two years were the worse for him. Looking back, I'm not sure if it was the disease or the treatment, but just wanted to let you know that things are better now than they were.
Memory was a huge problem for him. Of course, at this age, we never know how much to contribute to being a teen ager and how much to contribute to the disease itself! Most of the time now, though, when I see that his head is in the clouds, it usually has to do with whatever young girl was walking by at the time!
Hopefully, things will improve for your son. Colby was back on the honor roll for the majority of this school year. And we aren't repeating ourselves as much as we once were. I know how discouraging it was for my son, and how frustrated he was all the time. I can imagine that it would be more difficult for a college student to deal with. Is he using any of the MS meds? Am I understanding you correctly that this was just diagnosed?
If there is anything I can do to help you, don't hesitate to ask, or write me anytime. This is a tough road we're on, and we all need all the support we can get!