Summer 2026 Academic Calendar
Summer 2026 Registration begins on Tuesday, March 17, 2026.
Continuing Students can register via their SUNY Connect OW portal.
New Students who have never attended SUNY Old Westbury must complete a Quick Admit Application to register.
| Date(s) | Summer 2026 Holiday/Closing |
|---|
| May 25 (Mon) | Memorial Day – no classes; offices closed |
| Jun 19 (Fri) | Juneteenth – no classes, offices closed |
| Jul 4 (Sat) | Independence Day |
| Date(s) | Undergraduate Summer Sessions |
|---|
| Jun 1 (Mon) | Session I classes begin |
| Jun 5 (Fri) | Last day to Add/Drop : Late Registration ($50 fee) for Session I |
| Jun 26 (Fri) | Last day to apply for W or CR/NC for Session I |
| Jul 2 (Thu) | Session I classes end (grades due from course instructors 48 hours after final exam) |
| Jul 6 (Mon) | Session II classes begin |
| Jul 13 (Mon) | Last day to Add/Drop : Late Registration ($50 fee) for Session II |
| Jul 30 (Thu) | Last day to apply for W or CR/NC for Session II |
| Aug 6 (Thu) | Session II classes end (grades due from course instructors 48 hours after final exam) |
| Jun 15 (Mon) | Session III - Full Summer classes begin |
| Jun 22 (Mon) | Last day to Add/Drop : Late Registration ($50 fee) for Session III |
| Jul 20 (Mon) | Last day to apply for W or CR/NC for Session III |
| Aug 20 (Thu) | Session III classes end (grades due from course instructors 48 hours after final exam) |
| May 26 (Tue) | Session IV-Pre Session classes begin |
| May 27 (Wed) | Last day to Add/Drop : Late Registration ($50 fee) for Session IV |
| Jun 9 (Tue) | Last day to apply for W or CR/NC for Session IV |
| Jun 12 (Fri) | Session IV classes end (grades due from course instructors 48 hours after final exam) |
| Date(s) | Graduate Summer Sessions |
|---|
| May 26 (Tue) | Session 6A classes begin |
| May 29 (Fri) | Last day to Add/Drop : Late Registration ($50 fee) for Session 6A |
| Jun 12 (Fri) | Last day to apply for W or CR/NC for Session 6A |
| Jul 2 (Thu) | Session 6A classes end (grades due from course instructors 48 hours after final exam) |
| Jul 13 (Mon) | Session 6B classes begin |
| Jul 16 (Thu) | Last day to Add/Drop : Late Registration ($50 fee) for Session 6B |
| Jul 31 (Fri) | Last day to apply for W or CR/NC for Session 6B |
| Aug 21 (Fri) | Session 6B classes end (grades due from course instructors 48 hours after final exam) |
| May 26 (Tue) | Session 6C- Full Summer classes begin |
| Jun 1 (Mon) | Last day to Add/Drop : Late Registration ($50 fee) for Session 6C |
| Jul 7 (Tue) | Last day to apply for W or CR/NC for Session 6C |
| Aug 11 (Tue) | Session 6C classes end (grades due from course instructors 48 hours after final exam) |
| | |
Additional information for Summer
