This calendar automatically defaults to an “Agenda” view. To view this calendar in month or week format, go to the Tri-Valley Google Calendar web page.
Academic Calendar
The Academic Calendar includes key dates during the school year. A printer friendly one- page Academic Calendar is also available here. If you are unable to access a document please email communications@trivalleycsd.org and it will be provided in an alternate format.
June 2025
Monday June 23 – Wednesday June 25
- Regents Examinations
Wednesday June 25
- 9:00 am – 11:00 am
-
6th Grade Moving UpSS Theater
- 6:00 pm – 9:00 pm
-
BOCES Career & Tech GraduationSUNY Sullivan
Thursday June 26
- Regents Rating Day
- 11:00 am – 1:00 pm
-
Senior Graduation Rehearsal & PicnicTheater
- 6:00 pm – 8:00 pm
-
BOCES Special Ed & Alternative Ed GraduationThe Clubhouse At Villa Roma, 557 Co Rd 164, Callicoon, NY 12723, USA
Join with Google Meet: https://meet.google.com/tbz-evbt-mtd
Or dial: (US) +1 978-806-0097 PIN: 770671610#
More phone numbers: https://tel.meet/tbz-evbt-mtd?pin=8122339673312&hs=7Learn more about Meet at: https://support.google.com/a/users/answer/9282720
Friday June 27
- Last Day of School
- Regents Rating Day
Saturday June 28
- 8:00 am – 9:00 am
- Senior Graduation Breakfast
- 10:00 am – 12:00 pm
-
Secondary School GraduationTheater
July 2025
Tuesday July 15
- 8:00 am – 5:00 pm
-
Senior PhotosSS Upper Gym
Wednesday July 16
- 8:00 am – 5:00 pm
-
Senior PhotosSS Upper Gym
August 2025
Monday August 25
- 7:45 am – 3:45 pm
-
New Teacher Mentor MeetingSS Collaboration Center
Tuesday August 26
- 7:45 am – 3:45 pm
-
New Teacher OrientationSS Collaboration Center
Wednesday August 27
- 7:45 am – 3:45 pm
-
New Teacher OrientationSS Collaboration Center
Thursday August 28
- 7:45 am – 3:45 pm
-
New Teacher OrientationSS Collaboration Center
September 2025
Monday September 1
- Labor Day Holiday Observed – No School
Tuesday September 2
- Conference Day – No School for Students
Wednesday September 3
- Conference Day – No School for Students
Thursday September 4
- First Day of School
October 2025
Monday October 13
- Columbus Day Holiday Observed – School Closed
November 2025
Monday November 3
- 11:00 am – 6:00 pm
- Fall Blood Drive
Monday November 10
- Conference Day – No School for Students
Tuesday November 11
- Veterans Day Holiday Observed – School Closed
Monday November 24
- Parent Teacher Conferences – Evening
Tuesday November 25
- Parent Teacher Conferences – Day- No School for Students
Wednesday November 26
- Thanksgiving Recess – School Closed
Thursday November 27
- Thanksgiving Recess – School Closed
Friday November 28
- Thanksgiving Recess – School Closed
December 2025
Monday December 22
- Winter Recess – School Closed
Tuesday December 23
- Winter Recess – School Closed
Wednesday December 24
- Winter Recess – School Closed
Thursday December 25
- Winter Recess – School Closed
Friday December 26
- Winter Recess – School Closed
Monday December 29
- Winter Recess – School Closed
Tuesday December 30
- Winter Recess – School Closed
Wednesday December 31
- Winter Recess – School Closed
January 2026
Thursday January 1
- Winter Recess – School Closed
Friday January 2
- Winter Recess – School Closed
Monday January 19
- Martin Luther King Jr. Day Observed – School Closed
Tuesday January 20
- Regents Exams
Wednesday January 21
- Regents Exams
Thursday January 22
- Regents Exams
Friday January 23
- Regents Exams
February 2026
Friday February 13
- 11:00 am – 6:00 pm
-
Winter Blood DriveSecondary School Collaboration Center
Monday February 16
- President’s Day Holiday Observed – School Closed
Tuesday February 17
- Lunar New Year – School Closed
March 2026
Friday March 13
- Conference Day – No School for Students
Monday March 30
- Spring Recess- School Closed
Tuesday March 31
- Spring Recess- School Closed
April 2026
Wednesday April 1
- Spring Recess- School Closed
Thursday April 2
- Spring Recess- School Closed
Friday April 3
- Spring Recess- School Closed
May 2026
Monday May 25
- Memorial Day Holiday Observed – School Closed
June 2026
Tuesday June 9
- Regents Exams
Wednesday June 10
- Regents Exams
Wednesday June 17
- Regents Exams
Thursday June 18
- Regents Exams
Friday June 19
- Juneteenth Observed – School Closed
Monday June 22
- Regents Exams
Tuesday June 23
- Regents Exams