I am a grad student on F1 visa and I have 3 classes remaining to graduate. I wanted to take 1 online class in summer and 2 classes in the fall quarter. I was told by my advisor that if I take only 1 class in summer it has to be in-class not online. Since summer is an optional session, I was under the impression that it is acceptable to take an online class in that term. Can anyone please help me sort out this issue?