Summer 2025 Calendar
The calendars below do not apply to courses in the Questrom School of Business Graduate Program, the School of Public Health, or to courses in online degree programs. In addition to the sessions listed below, Summer Term offers additional courses with nonstandard dates. The add/drop dates for those courses are individually determined and can be found next to the course on the MyBU Student Portal or summer course listings.
Summer 1
7-Week Online Courses: May 13 – June 27, 2025
Registration begins |
Thursday, February 20, 2025 |
Last day to register/add courses |
Friday, May 9, 2025 |
Classes begin |
Tuesday, May 13, 2025 |
Last day for refund of Student Services fee and lab fees |
Tuesday, May 13, 2025 |
Last day to audit |
Monday, May 19, 2025 |
Payment deadline |
Tuesday, May 20, 2025* |
Late payment fees begin |
Wednesday, May 21, 2025* |
Last day for any tuition credit
(no tuition refunds after this date) |
Sunday, May 25, 2025 |
Last day to drop without a ‘W’ grade
(all charges remain after this date) |
Sunday, May 25, 2025 |
Holiday (Memorial Day), classes suspended |
Monday, May 26, 2025 |
Substitute schedule of classes (Monday schedule) |
Friday, May 30, 2025 |
Last day to drop with a ‘W’ grade |
Sunday, June 8, 2025 |
Last day to designate course as Pass/Fail |
Sunday, June 8, 2025 |
Holiday (Juneteenth), classes suspended |
Thursday, June 19, 2025 |
Final examinations |
Last class meeting |
Last day of classes |
Friday, June 27, 2025 |
*Proposed date which is subject to change.
Summer 1
6-Week Online & 6-Week On-Campus Courses: May 20 – June 27, 2025
Registration begins |
Thursday, February 20, 2025 |
Last day to register/add a 6-week Online course |
Friday, May 16, 2025 |
Classes begin |
Tuesday, May 20, 2025 |
Last day for refund of Student Services fee and lab fees |
Tuesday, May 20, 2025 |
Payment deadline |
Tuesday, May 20, 2025* |
Late payment fees begin |
Wednesday, May 21, 2025* |
Holiday (Memorial Day), classes suspended |
Monday, May 26, 2025 |
Last day to register/add a 6-week On-Campus course |
Tuesday, May 27, 2025 |
Last day to audit |
Tuesday, May 27, 2025 |
Last day for any tuition credit
(no tuition refunds after this date) |
Tuesday, May 27, 2025 |
Last day to drop without a ‘W’ grade
(all charges remain after this date) |
Tuesday, May 27, 2027 |
Substitute schedule of classes (Monday schedule) |
Friday, May 30, 2025 |
Last day to drop with a ‘W’ grade |
Thursday, June 12, 2025 |
Last day to designate course as Pass/Fail |
Thursday, June 12, 2025 |
Holiday (Juneteenth), classes suspended |
Thursday, June 19, 2025 |
Final examinations |
Last class meeting |
Last day of classes |
Friday, June 27, 2025 |
*Proposed date which is subject to change.
12-Week Session
12-Week On-Campus Courses: May 20 – August 8, 2025
Registration begins |
Thursday, February 20, 2025 |
Classes begin |
Tuesday, May 20, 2025 |
Last day for refund of Student Services fee and lab fees |
Tuesday, May 20, 2025 |
Payment deadline |
Tuesday, May 20, 2025* |
Late payment fees begin |
Wednesday, May 21, 2025* |
Holiday (Memorial Day), classes suspended |
Monday, May 26, 2025 |
Substitute schedule of classes (Monday schedule) |
Friday, May 30, 2025 |
Last day to register/add courses |
Monday, June 2, 2025 |
Last day to audit |
Monday, June 2, 2025 |
Last day for any tuition credit
(no tuition refunds after this date) |
Monday, June 2, 2025 |
Last day to drop without a ‘W’ grade
(all charges remain after this date) |
Monday, June 2, 2025 |
Holiday (Juneteenth), classes suspended |
Thursday, June 19, 2025 |
Holiday (Independence Day), classes suspended |
Friday, July 4, 2025 |
Last day to drop with a ‘W’ grade |
Tuesday, July 8, 2025 |
Last day to designate course as Pass/Fail |
Tuesday, July 8, 2025 |
Final examinations |
Last class meeting |
Last day of classes |
Friday, August 8, 2025 |
*Proposed date which is subject to change.
Summer 2
6-Week Online & 6-Week On-Campus Courses: June 30 – August 8, 2025
Registration begins |
Thursday, February 20, 2025 |
Last day to register/add a 6-week Online course |
Thursday, June 26, 2025 |
Classes begin |
Monday, June 30, 2025 |
Last day for refund of Student Services fee and lab fees |
Monday, June 30, 2025 |
Payment deadline |
Monday, June 30, 2025* |
Late payment fees begin |
Tuesday, July 1, 2025* |
Holiday (Independence Day), classes suspended |
Friday, July 4, 2025 |
Last day to register/add a 6-week On-Campus course |
Monday, July 7, 2025 |
Last day to audit |
Monday, July 7, 2025 |
Last day for any tuition credit
(no tuition refunds after this date) |
Monday, July 7, 2025 |
Last day to drop without a ‘W’ grade
(all charges remain after this date) |
Monday, July 7, 2025 |
Last day to drop with a ‘W’ grade |
Thursday, July 24, 2025 |
Last day to designate course as Pass/Fail |
Thursday, July 24, 2025 |
Final examinations |
Last class meeting |
Last day of classes |
Friday, August 8, 2025 |
*Proposed date which is subject to change.
Summer 2
7-Week Online Courses: June 30 – August 15, 2025
Registration begins |
Thursday, February 20, 2025 |
Last day to register/add courses |
Thursday, June 26, 2025 |
Classes begin |
Monday, June 30, 2025 |
Last day for refund of Student Services fee and lab fees |
Monday, June 30, 2025 |
Payment deadline |
Monday, June 30, 2025* |
Late payment fees begin |
Tuesday, July 1, 2025* |
Holiday (Independence Day), classes suspended |
Friday, July 4, 2025 |
Last day to audit |
Sunday, July 6 2025 |
Last day for any tuition credit
(no tuition refunds after this date) |
Saturday, July 12, 2025 |
Last day to drop without a ‘W’ grade
(all charges remain after this date) |
Saturday, July 12, 2025 |
Last day to drop with a ‘W’ grade |
Saturday, July 26, 2025 |
Last day to designate course as Pass/Fail |
Saturday, July 26, 2025 |
Final examinations |
Last class meeting |
Last day of classes |
Friday, August 15, 2025 |
*Proposed date which is subject to change.
Section designations
- Online courses carry an O (O1, O2, O3) section designation.
- Summer 1 on-campus courses carry an A (A1, A2, A3) section designation.
- Summer 2 on-campus courses carry a B (B1, B2, B3) section designation.
- 12-week on-campus courses carry a C (C1, C2, C3) section designation.
- Blended courses (eLive) carry an EL section designation.