All deadlines are 11:59 p.m. Eastern Time unless otherwise specified below.
Seven-Week Session: June 22–August 7, 2026
Course Registration and Payment Dates and Deadlines
| Registration and Payment Deadlines | Dates |
|---|---|
| Pre-Registration Opens Confirm your personal information in MyDCE before registration opens. Carts open at 9 a.m. in the DCE Course Search and Registration platform. |
Thursday, February 19, 2026 |
| Course Registration Begins Register early for the best choice of courses. You must pay your balance in full by the payment deadline. If you do not, you risk being dropped from all courses and waitlists. |
Monday, March 2, 2026, 9 a.m. ET |
| Full Payment Deadline Pay your balance in full by this date. If you do not, you risk being dropped from all courses and waitlists. Registration with immediate full payment remains open through June 15. |
Monday, May 11, 2026 |
| On-Campus Course Registration Deadline Last day to register for on-campus courses if you have not met the immunization requirement with HUHS. |
Monday, June 1, 2026 |
| Course Registration Deadline Last day to register for summer courses. Late registration is not permitted after this date. Students may only register for on-campus courses between June 2 and June 15 if they meet the immunization requirement before the June 1 deadline. |
Monday, June 15, 2026 |
| Course Change Period For registered students only |
Tuesday, June 16 – Wednesday, June 24, 2026 |
| Course Changes Deadline | Wednesday, June 24, 2026 |
| Course Drop and Withdrawal Deadlines: | |
| Last day to drop courses for 100% tuition refund | Wednesday, June 24, 2026 |
| Last day to drop courses for 50% tuition refund | Wednesday, July 1, 2026 |
| Last day to withdraw from courses for no tuition refund Course on record with WD (withdrawal) grade |
Friday, July 24, 2026 |
Additional Deadlines and Session Information
| Important Dates | Dates |
|---|---|
| Immunization Requirement Deadline Meet the immunization requirement |
Submit proof to HUHS within 3 weeks of registering |
| I-20 Certificate Requirements Deadlines: | |
| Last day to register for an I-20 eligible course load | Monday, April 20, 2026 |
| Last day to submit I-20 Questionnaire | Thursday, April 23, 2026 |
| Last day to submit all supporting documentation for I-20 application | Thursday, April 30, 2026 |
| English Proficiency Requirement Deadlines: | |
| English Proficiency Requirement for students requesting an I-20 | Monday, April 13, 2026 |
| English Proficiency Requirement for students needing to take the Critical Reading & Writing Skills test | Thursday, May 21, 2026 |
| English Proficiency Requirement for students not requesting an I-20 | Monday, June 8, 2026 |
| Housing Deadlines: | |
| Housing application opens Request housing in MyDCE after you register; housing is limited and available on a first-come, first-served basis to students who meet all eligibility requirements. |
Tuesday, March 3, 2026 |
| Last day to apply for housing and meet all housing eligibility requirements (including payment) | Tuesday, April 7, 2026 |
| Housing change period for a 100% refund of room and meal fees | Wednesday April 8 – Wednesday, April 15, 2026 |
| Housing change period for a 50% refund of room fees and 100% refund of meal fees | Thursday, April 16 – Monday, May 11, 2026 |
| Housing change period for a 25% refund of room fees and 100% refund of meal fees | Tuesday, May 12 – Friday, June 19, 2026 |
| Housing change deadline for prorated meal fees only | Saturday, June 20, 2026 |
| Accessibility Services Request Deadlines: | |
| Accessibility Services request deadline for housing accommodations | Tuesday, April 7, 2026 |
| Accessibility Services request deadline for course accommodations | Monday, May 11, 2026 |
| ID Card Photo Upload Deadline | Monday, May 18, 2026 |
| Student Arrival and Check-in | Saturday, June 20, 2026 |
| Classes Begin | Monday, June 22, 2026 |
| Final Exams and Last Class Meetings | Monday, August 3–Friday, August 7, 2026 |
| Residential Students Move Out | Saturday, August 8, 2026 by noon ET |
| Grades Available Online | Tuesday, August 18, 2026 |
Four-Week Session: July 13–August 6, 2026
Course Registration and Payment Dates and Deadlines
| Registration and Payment Deadlines | Dates |
|---|---|
| Pre-Registration Opens Confirm your personal information in MyDCE before registration opens. Carts open at 9 a.m. in the DCE Course Search and Registration platform. |
Thursday, February 19, 2026 |
| Course Registration Begins Register early for the best choice of courses. You must pay your balance in full by the payment deadline. If you do not, you risk being dropped from all courses and waitlists. |
Monday, March 2, 2026, 9 a.m. ET |
| Full Payment Deadline Pay your balance in full by this date. If you do not, you risk being dropped from all courses and waitlists. Registration with immediate full payment remains open through June 15. |
Monday, May 11, 2026 |
| On-Campus Course Registration Deadline Last day to register for on-campus courses if you have not met the immunization requirement with HUHS. |
Monday, June 1, 2026 |
| Course Registration Deadline Last day to register for summer courses. Late registration is not permitted after this date. Students may only register for on-campus courses between June 2 and June 15 if they meet the immunization requirement before the June 1 deadline. |
Monday, June 15, 2026 |
| Course Change Period For registered students only |
Tuesday, June 16 – Wednesday, July 15, 2026 |
| Course Changes Deadline | Wednesday, July 15, 2026 |
| Course Drop and Withdrawal Deadlines: | |
| Last day to drop courses for 100% tuition refund | Wednesday, July 15, 2026 |
| Last day to withdraw from courses for no tuition refund Course on record with WD (withdrawal) grade |
Friday, July 31, 2026 |
Additional Deadlines and Session Information
| Important Dates | Dates |
|---|---|
| Immunization Requirement Deadline Meet the immunization requirement |
Submit proof to HUHS within 3 weeks of registering |
| I-20 Certificate Requirements Deadlines: | |
| Last day to register for an I-20 eligible course load | Monday, April 20, 2026 |
| Last day to submit I-20 Questionnaire | Thursday, April 23, 2026 |
| Last day to submit all supporting documentation for I-20 application | Thursday, April 30, 2026 |
| English Proficiency Requirement Deadlines: | |
| English Proficiency Requirement for students requesting an I-20 | Monday, April 13, 2026 |
| English Proficiency Requirement for students needing to take the Critical Reading & Writing Skills test | Thursday, May 21, 2026 |
| English Proficiency Requirement for students not requesting an I-20 | Monday, June 8, 2026 |
| Housing Deadlines: | |
| Housing application opens Request housing in MyDCE after you register; housing is limited and available on a first-come, first-served basis to students who meet all eligibility requirements. |
Tuesday, March 3, 2026 |
| Last day to apply for housing and meet all housing eligibility requirements (including payment) | Tuesday, April 7, 2026 |
| Housing change period for a 100% refund of room and meal fees | Wednesday April 8 – Wednesday, April 15, 2026 |
| Housing change period for a 50% refund of room fees and 100% refund of meal fees | Thursday, April 16 – Monday, May 11, 2026 |
| Housing change period for a 25% refund of room fees and 100% refund of meal fees | Tuesday, May 12 – Friday, July 10, 2026 |
| Housing change deadline for prorated meal fees only | Saturday, July 11, 2026 |
| Accessibility Services Request Deadlines: | |
| Accessibility Services request deadline for housing accommodations | Tuesday, April 7, 2026 |
| Accessibility Services request deadline for course accommodations | Monday, May 11, 2026 |
| ID Card Photo Upload Deadline | Monday, May 18, 2026 |
| Student Arrival and Check-in | Sunday, July 12, 2026 |
| Classes Begin | Monday, July 13, 2026 |
| Final Exams and Last Class Meetings | Monday, August 3 – Thursday, August 6, 2026 |
| Residential Students Move Out | Friday, August 7, 2026 by noon ET |
| Grades Available Online | Tuesday, August 18, 2026 |
Three-Week Session I: June 22–July 9, 2026
Course Registration and Payment Dates and Deadlines
| Registration and Payment Deadlines | Dates |
|---|---|
| Pre-Registration Opens Confirm your personal information in MyDCE before registration opens. Carts open at 9 a.m. in the DCE Course Search and Registration platform. |
Thursday, February 19, 2026 |
| Course Registration Begins Register early for the best choice of courses. You must pay your balance in full by the payment deadline. If you do not, you risk being dropped from all courses and waitlists. |
Monday, March 2, 2026, 9 a.m. ET |
| Full Payment Deadline Pay your balance in full by this date. If you do not, you risk being dropped from all courses and waitlists. Registration with immediate full payment remains open through June 15. |
Monday, May 11, 2026 |
| On-Campus Course Registration Deadline Last day to register for on-campus courses if you have not met the immunization requirement with HUHS. |
Monday, June 1, 2026 |
| Course Registration Deadline Last day to register for summer courses. Late registration is not permitted after this date. Students may only register for on-campus courses between June 2 and June 15 if they meet the immunization requirement before the June 1 deadline. |
Monday, June 15, 2026 |
| Course Change Period For registered students only |
Tuesday, June 16 – Wednesday, June 24, 2026 |
| Course Changes Deadline | Wednesday, June 24, 2026 |
| Course Drop and Withdrawal Deadlines: | |
| Last day to drop courses for 100% tuition refund | Wednesday, June 24, 2026 |
| Last day to withdraw from courses for no tuition refund Course on record with WD (withdrawal) grade |
Friday, July 3, 2026 |
Additional Deadlines and Session Information
| Important Dates | Dates |
|---|---|
| Immunization Requirement Deadline Meet the immunization requirement |
Submit proof to HUHS within 3 weeks of registering |
| I-20 Certificate Requirements Deadlines: | |
| Last day to register for an I-20 eligible course load | Monday, April 20, 2026 |
| Last day to submit I-20 Questionnaire | Thursday, April 23, 2026 |
| Last day to submit all supporting documentation for I-20 application | Thursday, April 30, 2026 |
| English Proficiency Requirement Deadlines: | |
| English Proficiency Requirement for students requesting an I-20 | Monday, April 13, 2026 |
| English Proficiency Requirement for students needing to take the Critical Reading & Writing Skills test | Thursday, May 21, 2026 |
| English Proficiency Requirement for students not requesting an I-20 | Monday, June 8, 2026 |
| Housing Deadlines: | |
| Housing application opens Request housing in MyDCE after you register; housing is limited and available on a first-come, first-served basis to students who meet all eligibility requirements. |
Tuesday, March 3, 2026 |
| Last day to apply for housing and meet all housing eligibility requirements (including payment) | Tuesday, April 7, 2026 |
| Housing change period for a 100% refund of room and meal fees | Wednesday April 8 – Wednesday, April 15, 2026 |
| Housing change period for a 50% refund of room fees and 100% refund of meal fees | Thursday, April 16 – Monday, May 11, 2026 |
| Housing change period for a 25% refund of room fees and 100% refund of meal fees | Tuesday, May 12 – Friday, June 19, 2026 |
| Housing change deadline for prorated meal fees only | Saturday, June 20, 2026 |
| Accessibility Services Request Deadlines: | |
| Accessibility Services request deadline for housing accommodations | Tuesday, April 7, 2026 |
| Accessibility Services request deadline for course accommodations | Monday, May 11, 2026 |
| ID Card Photo Upload Deadline | Monday, May 18, 2026 |
| Student Arrival and Check-in | Saturday, June 20, 2026 |
| Classes Begin | Monday, June 22, 2026 |
| Final Exams and Last Class Meetings | Thursday, July 9, 2026 |
| Residential Students Move Out | Friday, July 10, 2026 by noon ET |
| Grades Available Online | Tuesday, July 14, 2026 |
Three-Week Session II: July 13–July 30, 2026
Course Registration and Payment Dates and Deadlines
| Registration and Payment Deadlines | Dates |
|---|---|
| Pre-Registration Opens Confirm your personal information in MyDCE before registration opens. Carts open at 9 a.m. in the DCE Course Search and Registration platform. |
Thursday, February 19, 2026 |
| Course Registration Begins Register early for the best choice of courses. You must pay your balance in full by the payment deadline. If you do not, you risk being dropped from all courses and waitlists. |
Monday, March 2, 2026, 9 a.m. ET |
| Full Payment Deadline Pay your balance in full by this date. If you do not, you risk being dropped from all courses and waitlists. Registration with immediate full payment remains open through June 15. |
Monday, May 11, 2026 |
| On-Campus Course Registration Deadline Last day to register for on-campus courses if you have not met the immunization requirement with HUHS. |
Monday, June 1, 2026 |
| Course Registration Deadline Last day to register for summer courses. Late registration is not permitted after this date. Students may only register for on-campus courses between June 2 and June 15 if they meet the immunization requirement before the June 1 deadline. |
Monday, June 15, 2026 |
| Course Change Period For registered students only |
Tuesday, June 16 – Wednesday, July 15, 2026 |
| Course Changes Deadline | Wednesday, July 15, 2026 |
| Course Drop and Withdrawal Deadlines: | |
| Last day to drop courses for 100% tuition refund | Wednesday, July 15, 2026 |
| Last day to withdraw from courses for no tuition refund Course on record with WD (withdrawal) grade |
Friday, July 24, 2026 |
Additional Deadlines and Session Information
| Important Dates | Dates |
|---|---|
| Immunization Requirement Deadline Meet the immunization requirement |
Submit proof to HUHS within 3 weeks of registering |
| I-20 Certificate Requirements Deadlines: | |
| Last day to register for an I-20 eligible course load | Monday, April 20, 2026 |
| Last day to submit I-20 Questionnaire | Thursday, April 23, 2026 |
| Last day to submit all supporting documentation for I-20 application | Thursday, April 30, 2026 |
| English Proficiency Requirement Deadlines: | |
| English Proficiency Requirement for students requesting an I-20 | Monday, April 13, 2026 |
| English Proficiency Requirement for students needing to take the Critical Reading & Writing Skills test | Thursday, May 21, 2026 |
| English Proficiency Requirement for students not requesting an I-20 | Monday, June 8, 2026 |
| Housing Deadlines: | |
| Housing application opens Request housing in MyDCE after you register; housing is limited and available on a first-come, first-served basis to students who meet all eligibility requirements. |
Tuesday, March 3, 2026 |
| Last day to apply for housing and meet all housing eligibility requirements (including payment) | Tuesday, April 7, 2026 |
| Housing change period for a 100% refund of room and meal fees | Wednesday April 8 – Wednesday, April 15, 2026 |
| Housing change period for a 50% refund of room fees and 100% refund of meal fees | Thursday, April 16 – Monday, May 11, 2026 |
| Housing change period for a 25% refund of room fees and 100% refund of meal fees | Tuesday, May 12 – Friday, July 10, 2026 |
| Housing change deadline for prorated meal fees only | Saturday, July 11, 2026 |
| Accessibility Services Request Deadlines: | |
| Accessibility Services request deadline for housing accommodations | Tuesday, April 7, 2026 |
| Accessibility Services request deadline for course accommodations | Monday, May 11, 2026 |
| ID Card Photo Upload Deadline | Monday, May 18, 2026 |
| Student Arrival and Check-in | Sunday, July 12, 2026 |
| Classes Begin | Monday, July 13, 2026 |
| Final Exams and Last Class Meetings | Thursday, July 30, 2026 |
| Residential Students Move Out | Friday, July 31, 2026 by noon ET |
| Grades Available Online | Tuesday, August 11, 2026 |
All deadlines are the dates by which materials must be submitted online or received at 51 Brattle Street.
High school students: see the Secondary School Program calendar or the Harvard Pre-College Program calendar for dates that apply to you.
Holiday Calendar Summer 2026
Administrative offices are closed on weekends and these official University holidays.
| Holidays | Dates |
|---|---|
| Memorial Day Offices closed | Monday, May 25, 2026 |
| Juneteenth Offices closed | Friday, June 19, 2026 |
| Independence Day No classes; offices closed | Friday, July 3, 2026 (observed) |
