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Dartmouth Engineering Academic Calendar

Thayer School of Engineering closely follows Dartmouth's academic calendar, with a few exceptions.

Please be advised that the information below is accurate as of the date of publication and is offered as a resource for students, staff, and faculty for planning purposes. Dartmouth reserves the right to make such changes as the trustees, faculty, and officers consider appropriate and to be in the best interest of the Dartmouth community.

Please contact the Thayer Registrar with any questions.

On This Page

Winter Term 2025
Spring Term 2025
Summer Term 2025
Fall Term 2025
Winter Term 2026
Spring Term 2026

Winter Term 2025

DATES	DESCRIPTION
January 5–8	Winter term online check-in
January 6	Winter term classes begin
January 6–12	First week of Winter term schedule adjustment (add/drop). Permission to add courses is not necessary unless normally required.
January 8	Deadline to complete check-in without a $50 late registration fee. Check-in must be completed by 11:59pm.
January 13–19	Second week of Winter term schedule adjustment (add/drop). All courses require instructor permission to add.
January 15	Final day for delayed check-in (with $50 late fee). Any student not checked-in by the end of this day is liable for administrative withdrawal.
January 20	Martin Luther King Jr. Day Courses regularly held in the 8-, 9-, 10-, 11-, 12-, and 2-sequences moved to their x-periods. Courses held in the 3A-period moved to the 3B-period. Laboratory sections meet as scheduled, unless otherwise notified by the instructor.
February 7	Course Timetable available for Spring term
February 12–20	Spring term course election period for AB students
February 21	Final day to withdraw from a course; any later request to withdraw from a course requires petition to a special committee.
February 21	Spring term course registration opens for Thayer BE, Masters, and PhD students
February 28–March 7	Spring term course change period for AB students and courses numbered below 100
March 7	Winter term classes end
March 7	Spring term registration closes for AB students and for classes numbered under 100 and will reopen on the first day of the Spring term. Thayer BE, Masters, and PhD students may continue to register for classes numbered 100 or higher.
March 8–9	Pre-examination break
March 10	Final examinations begin
March 14	Final examinations end
March 24	Final grades and official transcripts available

Spring Term 2025

DATES	DESCRIPTION
March 30–April 2	Spring term online check-in
March 31	Spring term classes begin
March 31–April 6	First week of Spring term schedule adjustment (add/drop). Permission to add courses is not necessary unless normally required.
April 2	Deadline to complete check-in without a $50 late registration fee. Check-in must be completed by 11:59pm.
April 7–13	Second week of Spring term schedule adjustment (add/drop). All courses require instructor permission to add.
April 9	Final day for delayed check-in (with $50 late fee). Any student not checked-in by the end of this day is liable for administrative withdrawal.
April 25	Course Timetable available for Summer term
April 30–May 8	Summer term course election period for AB students
May 9	Course Timetable available for Fall term Summer term course registration opens for Thayer BE, Masters, and PhD students
May 14–22	Fall term course election period for AB students
May 16–June 4	Summer term course change period for AB students
May 21	Final day to withdraw from a course; any later request to withdraw from a course requires petition to a special committee.
May 26	Memorial Day. No classes held.
May 30–June 4	Fall term course change period for AB students. Fall term course registration for Thayer BE, Masters, and PhD students will open in August.
June 4	Spring term classes end
June 4	Summer term registration closes for AB students and for classes numbered under 100 and will reopen on the first day of the Summer term. Thayer BE, Masters, and PhD students may continue to register for classes numbered 100 or higher.
June 5	Pre-examination break
June 6	Final examinations begin
June 10	Final examinations end
June 14	Thayer School of Engineering Investiture
June 15	Dartmouth Commencement
June 20	Final grades and official transcripts available

Summer Term 2025

DATES	DESCRIPTION
June 25–28	Summer term online check-in
June 26	Summer term classes begin
June 26–July 2	First week of Summer term schedule adjustment (add/drop). Permission to add courses is not necessary unless normally required.
June 26–August 27	Fall term course change period for AB students
June 28	Deadline to complete check-in without a $50 late registration fee. Check-in must be completed by 11:59pm. Special day of classes: 10 period courses meet 8:00am to 9:05am; 11 period, 9:20am to 10:25pm; 12 period, 10:40am to 11:45am; and 2 period, 12:00pm to 1:05pm.
July 3–9	Second week of Summer term schedule adjustment (add/drop). All courses require instructor permission to add.
July 4	Independence Day. No classes held.
July 5	Final day for delayed Summer term check-in ($50 late fee applies). Any student not checked-in by end of this day is liable for administrative withdrawal.
August 1	Fall term course registration opens for Thayer BE, Masters, and PhD students
August 13	Final day to withdraw from a Summer term course (with a notation of “W” applied to transcript); any later request to withdraw from a course requires petition to a special committee.
August 27	Fall term registration closes for AB students and for classes numbered under 100 and will reopen on the first day of the Fall term Summer term classes end
August 28–29	Pre-examination break
August 30	Final examinations begin
September 2	Final examinations end
September 11	Final grades and official transcripts available

Fall Term 2025

DATES	DESCRIPTION
TBA	Advising and orientation begin
September 14–17	Fall term online check-in
September 15	Fall term classes begin
September 15–21	First week of Fall term schedule adjustment (add/drop). Permission to add courses is not necessary unless normally required.
September 17	Deadline to complete check-in without a $50 late registration fee. Check-in must be completed by 11:59pm.
September 22–28	Second week of Fall term schedule adjustment (add/drop). All courses require instructor permission to add.
September 24	Final day for delayed check-in (with $50 late fee). Any student not checked in by the end of this day becomes liable for administrative withdrawal.
October 24	Course Timetable available for the Winter term
TBD	Homecoming Weekend
October 29–November 6	Winter term course election period for AB students
November 4	Final day to withdraw from a Fall term course (with a notation of “W” applied to transcript); any later request to withdraw from a course requires petition to a special committee.
November 7	Winter term course registration opens for Thayer BE, Masters, and PhD students
November 14–18	Winter term course change period for AB students and for classes numbered under 100
November 18	Fall term classes end Winter term registration closes for AB students and for classes numbered under 100 and will reopen on the first day of the Winter term
November 19–20	Pre-examination break
November 21	Final examinations begin
November 26	Final examinations end
December 9	Final grades and official transcripts available

Winter Term 2026

DATES	DESCRIPTION
January 4–7	Winter term online check-in
January 5	Winter term classes begin
January 5–11	First week of Winter term schedule adjustment (add/drop). Permission to add courses is not necessary unless normally required.
January 7	Deadline to complete check-in without a $50 late registration fee. Check-in must be completed by 11:59pm.
January 12–18	Second week of Winter term schedule adjustment (add/drop). All courses require instructor permission to add.
January 14	Final day for delayed check-in (with $50 late fee). Any student not checked-in by the end of this day is liable for administrative withdrawal.
January 19	Martin Luther King Jr. Day Courses regularly held in the 8-, 9-, 10-, 11-, 12-, and 2-sequences moved to their x-periods. Courses held in the 3A-period moved to the 3B-period. Laboratory sections meet as scheduled, unless otherwise notified by the instructor.
February 6	Course Timetable available for Spring term
February 11–19	Spring term course election period for AB students
February 20	Spring term course registration opens for Thayer BE, Masters, and PhD students
February 24	Final day to withdraw from a course; any later request to withdraw from a course requires petition to a special committee
February 21–March 10	Spring term course change period for AB students and courses numbered below 100
March 10	Winter term classes end Spring term registration closes for AB students and for classes numbered under 100 and will reopen on the first day of the Spring term
March 11–12	Pre-examination break
March 13	Final examinations begin
March 17	Final examinations end
March 27	Final grades and official transcripts available

Spring Term 2026

DATES	DESCRIPTION
March 29–April 1	Spring term online check-in
March 30	Spring term classes begin
March 30–April 5	First week of Spring term schedule adjustment (add/drop). Permission to add courses is not necessary unless normally required.
April 1	Deadline to complete check-in without a $50 late registration fee. Check-in must be completed by 11:59pm.
April 6–12	Second week of Spring term schedule adjustment (add/drop). All courses require instructor permission to add.
April 8	Final day for delayed check-in (with $50 late fee). Any student not checked-in by the end of this day is liable for administrative withdrawal.
April 24	Course Timetable available for Summer term
April 29–May 7	Summer term course election period for AB students
May 8	Course Timetable available for Fall term Summer term course registration opens for Thayer BE, Masters, and PhD students
May 13–21	Fall term course election period for AB students
May 15–June 3	Summer term course change period for AB students
May 20	Final day to withdraw from a course; any later request to withdraw from a course requires petition to a special committee.
May 25	Memorial Day. No classes held.
May 29–June 3	Fall term course change period for AB students. Fall term course registration for Thayer BE, Masters, and PhD students will open in August.
June 3	Spring term classes end Summer term registration closes for AB students and for classes numbered under 100 and will reopen on the first day of the Summer term
June 4	Pre-examination break
June 5	Final examinations begin
June 9	Final examinations end
June 13	Thayer School of Engineering Investiture
June 14	Dartmouth Commencement
June 19	Final grades and official transcripts available