Academic Calendar
Winter Quarter 2026
Orientation
​Winter Quarter Begins
Add/Drop Period Ends
Martin Luther King, Jr. Day*
Last Day for Withdrawal with a “W”
President‘s Day Holiday*
Lunar New Year Holiday*
End of Quarter
Payment Due for Spring Quarter
January 2
January 5
January 12
January 19
February 12
February 16
February 17
March 18
​March 20
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
Payment Due for Summer Quarter
April 2
​April 6
​April 13
April 24
May 8
May 25
June 16
June 18
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 4
September 14
September 16
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 2026
Calstone College observes the following Academic and Administrative holidays:
Jan. 19; Feb. 16, 17; April 24; May 25; Sept. 4; Oct 12; Nov. 11, 26-27