Continuing students need not apply for Summer School. You will simply register for courses in Banner Self-Service as you would for the regular Advent and Easter terms.
You can access Banner Self-Service at this link.
Here is a link to special application for students who are not currently enrolled at the University:
If you have questions meanwhile, please contact the Director of the Summer School (Lauryl Tucker, firstname.lastname@example.org) about registering for the 2017 Summer term.