Summer 2026 Academic Calendar - Harvard Summer School

Summer 2026 Academic Calendar - Harvard Summer School
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Summer 2026 Academic Calendar
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 – Thursday, June 18, 2026
Housing change period for prorated meal fees only
Friday, June 19, 2026 – Friday, July 31, 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
Friday, May 22,
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 period for prorated meal fees only
Saturday, July 11, 2026 – Friday, July 31, 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
Friday, May 22,
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 – Thursday, June 18, 2026
Housing change period for prorated meal fees only
Friday, June 19, 2026 – Friday, July 3, 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
Friday, May 22,
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 21, 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 – Friday, July 24, 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
Friday, May 22,
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)
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Harvard Division of Continuing Education
The Division of Continuing Education (DCE) at Harvard University is dedicated to bringing rigorous academics and innovative teaching capabilities to those seeking to improve their lives through education. We make Harvard education accessible to lifelong learners from high school to retirement.
Harvard Division of Continuing Education