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

Cornell University Summer Session offers hundreds of regular Cornell courses taught by outstanding university faculty members. Enrollment is open to all—from undergrads to high school students*, professionals, alumni, and any interested adult.

Summer Session 2025 will feature

  • In-person, on-campus courses in Ithaca
  • Online classes

Summer 2025 courses will be published in February. To get an idea of the courses that might be offered, view the summer 2024 course roster.

You also can enroll in

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 concert on the Arts Quad, and check off #31 on the list of "161 Things Every Cornellian Should Do": Spend a summer here!

*High school students: Check out residential, commuter, and online Precollege Studies options for Summer 2025.