Special Sessions
Our special sessions are the perfect way to make the most of your semester breaks. We have something for everyone — offered online, on-campus, and out in the field — so you can get ahead, catch up, or learn something new.
Summer Session 2026
Registration opens for these sessions on February 1, 2026.
Maymester | May 11 – May 22 (2 weeks)
Summer Session 1 | May 18 – June 26 (6 weeks)
Summer Session 2 | June 29 – August 7 (6 weeks)
Combined Summer Session | May 18 – August 7 (12 weeks)
Tuition Liability Schedule can be found here.
Class Schedule and Course Descriptions
Cranberry Lake
View course descriptions for registration information.
Session A | May 24 - June 12, 2026
Session B | June 14 - July 3, 2026
Session C | July 5 - July 17, 2026
Session D | July 19 - August 7, 2026
Winter Session 2026-2027
Registration opens for Winter Session on November 1, 2026.
Winter Session | December 16, 2026 - January 8, 2027
Class Schedule and Course Descriptions
Registration for the 2026 Summer Session opens February 1st.
ESF Students
Sign up through the Registrar and watch your registration status in MyESF.
Non-ESF Students
You don’t need to be a current ESF student to take a summer course.
If you are a matriculated student interested in enrolling in an internship, please complete the
Internship Registration Form located on the Registrar website and follow the instructions listed.
