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COVID-19 Update: All 2021 Harvard Summer School courses and activities will be offered online.

Summer Academic Calendar

The dates in this calendar apply to students registered for courses that meet during our seven-week session. Please note, we have removed deadlines that are no longer applicable toward your fully online summer experience.

High school students: see the Secondary School Program calendar or the Harvard Pre-College Program calendar for dates that apply to you.

Seven-Week Session: June 21–August 6, 2021

Course registration begins
Register early for 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.
Tuesday, March 2, 9 am 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 17.
Monday, May 17
Accessibility services request deadline Monday, May 17
Memorial Day
Offices closed
Monday, May 31
English proficiency requirement deadline Thursday, June 10
Course registration deadline
Last day to register for summer courses. Late registration is not permitted after this date.
Thursday, June 17
Course change period
For registered students only
Friday, June 18-Wednesday, June 23
Classes begin
Begin attending and participating in online classes from the first class meeting.
Monday, June 21
Course changes deadline Wednesday, June 23
Course drop and withdrawal deadlines:
Last day to drop courses for 100% tuition refund Wednesday, June 23
Last day to drop courses for 50% tuition refund Wednesday, June 30
Last day to withdraw from courses for no tuition refund
Course on record with WD (withdrawal) grade
Friday, July 23
Independence Day (observed)
No classes; offices closed
Monday, July 5
Final exams and last class meetings Monday, August 2–Friday, August 6
Session ends Friday, August 6
Grades available online Tuesday, August 17
Last day to make up EXT grades
Instructor may set earlier due date.
Friday, September 3

Three-Week Session I: June 21-July 8, 2021

Course registration begins
Register early for best choice of courses.
Tuesday, March 2, 9 am 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 17.
Monday, May 17
Accessibility services request deadline Monday, May 17
Memorial Day
Offices closed
Monday, May 31
English proficiency requirement deadline Thursday, June 10
Course registration deadline
Last day to register for summer courses. Late registration is not permitted after this date.
Thursday, June 17
Course change period
For registered students only
Friday, June 18-Wednesday June 23
Classes begin
Begin attending and participating in online classes from the first class meeting.
Monday, June 21
Course changes deadline Wednesday, June 23
Course drop and withdrawal deadlines:
Last day to drop courses for 100% tuition refund Wednesday, June 23
Last day to withdraw from courses for no tuition refund
Course on record with WD (withdrawal) grade
Thursday, July 1
Independence Day (observed)
No classes; offices closed
Monday, July 5
Final exams and last class meetings Thursday, July 8
Session ends Thursday, July 8
Grades available online Tuesday, July 20
Last day to make up EXT grades
Instructor may set earlier due date.
Friday, July 23

Three-Week Session II: July 12– July 29, 2021

Course registration begins
Register early for best choice of courses.
Tuesday, March 2, 9 am 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 17.
Monday, May 17
Accessibility services request deadline Monday, May 17
Memorial Day
Offices closed
Monday, May 31
English proficiency requirement deadline Thursday, June 10
Course registration deadline
Last day to register for summer courses. Late registration is not permitted after this date.
Thursday, June 17
Course change period
For registered students only
Friday, June 18-Wednesday, July 14
Classes begin
Begin attending and participating in online classes from the first class meeting.
Monday, July 12
Course changes deadline Wednesday, July 14
Course drop and withdrawal deadlines:
Last day to drop courses for 100% tuition refund Wednesday, July 14
Last day to withdraw from courses for no tuition refund
Course on record with WD (withdrawal) grade
Thursday, July 22
Independence Day (observed)
No classes; offices closed
Monday, July 5
Final exams and last class meetings Thursday, July 29
Session ends Thursday, July 29
Grades available online Tuesday, August 10
Last day to make up EXT grades
Instructor may set earlier due date.
Friday, August 13

All deadlines are the dates by which materials must be submitted online or received at 51 Brattle Street.

Administrative offices are closed on University holidays, weekends, June 1, and July 2.