Academic Calendar
Winter Quarter 2025
Orientation
​Winter Quarter Begins
Add/Drop Period Ends
Martin Luther King, Jr. Day*
Lunar New Year Holiday*
Last Day for Withdrawal with a “W”
President‘s Day Holiday*
End of Quarter
Payment Due for Spring Quarter
January 2
January 6
January 13
January 20
January 29
February 13
February 17
March 19
​March 21
Spring Quarter 2025
Orientation
Spring Quarter Begins
Add/Drop Period Ends
Armenian Genocide Remembrance Day*
Last Day for Withdrawal with a “W‘
Memorial Day Holiday*
End of Quarter
Juneteenth Holiday
Payment Due for Summer Quarter
April 3
​April 7
​April 14
April 24
May 9
May 26
June 17
June 19
June 20
Summer Quarter 2025
Orientation
Summer Quarter Begins
Add/Drop Period Ends
Last Day for Withdrawal with a “W‘
Labor Day Holiday*
End of Quarter
Payment Due for Fall Quarter
July 3
July 7
July 14
August 8
September 1
September 15
September 17
Fall Quarter 2025
Orientation
Fall Quarter Begins
Add/Drop Period Ends
Columbus Day Holiday*
Last Day for Withdrawal with a “W‘
Veterans Day Holiday*
Thanksgiving Holiday*
End of Quarter
Payment Due for Winter 2027 Quarter
October 2
October 6
October 13
October 13
November 7
November 11
November 27-28
December 18
December 19
Winter Quarter 2026
Orientation
Winter Quarter Begins
Add/Drop Period Ends
Lunar New Year Holiday
*Martin Luther King, Jr. Day*
Last Day for Withdrawal with a “W”
President‘s Day Holiday*
End of Quarter
Payment Due for Spring Quarter
January 5
January 7
January 14
January 17
January 19
February 13
February 17
March 23
​March 27
Spring Quarter 2026
Orientation
Spring Quarter Begins
Add/Drop Period Ends
Armenian Genocide Remembrance Day*
Last Day for Withdrawal with a “W‘
Memorial Day Holiday*
End of Quarter
Juneteenth Holiday
Payment Due for Summer Quarter
April 2
​April 6
​April 13
April 24
May 8
May 25
June 16
June 19
June 20
Summer Quarter 2026
Orientation
Summer Quarter Begins
Add/Drop Period Ends
Last Day for Withdrawal with a “W‘
Labor Day Holiday*
End of Quarter
Payment Due for Fall Quarter
July 2
July 6
July 13
August 7
September 7
September 14
September 18
Fall Quarter 2026
Orientation
Fall Quarter Begins
Add/Drop Period Ends
Columbus Day Holiday*
Last Day for Withdrawal with a “W
‘Veterans Day Holiday*
Thanksgiving Holiday*
End of Quarter
Payment Due for Winter 2027 Quarter
October 2
October 5
October 12
October 12
November 6
November 11
November 26-27
December 17
December 18
Holiday Calendar 2025
Calstone College observes the following Academic and Administrative holidays:
Jan. 20; Jan. 29; Feb. 17; April 24; May 26; June 19; Sept. 1; Oct 13; Nov. 11, 27-28
Holiday Calendar 2026
Calstone College observes the following Academic and Administrative holidays:
Jan. 17, 19; Feb 16; April 24; May 25; June 19; Sept. 7; Oct 12; Nov. 11, 26-27