Priority Enrollment times are assigned to eligible students based on their current class level (actual earned hours). Within each class level appointment times are distributed randomly each term from earliest to latest. The priority class levels are:
Graduate Students
Seniors (89 credit hours or more)
Juniors (53-88 credit hours)
Sophomores (27-52 credit hours)
Freshmen (0-26 credit hours)
More details at: https://registrar.unl.edu/student/registration/dates/#tab3