Summer Session Choose from 250+ Cornell classes this summer — on campus, online, and abroad — and work closely with university experts.

Earn credits, catch up, or get ahead during 3-, 6- & 8-week sessions

Cornell University Summer Session offers regular Cornell courses taught by outstanding university instructors. Enrollment is open to all—from undergrads at Cornell or other universities to professionals, alumni, and interested adults.

High school students are eligible to enroll in summer residential, online, and commuter programs through Precollege Studies.

Summer Session 2026 will feature

• In-person, on-campus courses in Ithaca
• Online classes
• Courses at Shoals Marine Laboratory in Maine
• International study abroad programs

Summer 2026 courses will be published in February. To get an idea of the courses that might be offered, view the summer 2025 course roster.

With choices of 3-, 6-, or 8-week sessions, most classes leave time for travel or a summer job.

During any of the summer sessions, you can benefit from small classes, really get to know your professors, and meet interesting people from around the world.

If you choose to stay on campus, summer in Ithaca is the perfect time to take advantage of the area's stunningly beautiful gorges, waterfalls, lakes, and parks. Hike, swim, sail, picnic, enjoy a sunset from Libe Slope, and check off #31 on the list of "161 Things Every Cornellian Should Do": Spend a summer here!