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.
September 2025
Monday September 22
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Wednesday September 24
- 5:00 pm – 6:00 pm
-
Open House, Grades K-2ES Hill & Classrooms
Thursday September 25
- 5:00 pm – 6:00 pm
-
Open House, Grades 3-6ES Hill, Classrooms & Cafeteria
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
October 2025
Monday October 6 – Friday October 10
- Homecoming Week
Thursday October 9
- 5:00 pm – 7:00 pm
-
ENL NightSecondary School Cafeteria
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Friday October 10
- 8:00 am – 12:00 pm
-
ES Fire Prevention DayES Bus Loop
- 2:00 pm – 3:00 pm
- Homecoming Pep Rally
- 7:30 pm – 9:00 pm
- Homecoming Bonfire
Saturday October 11
- 1:00 pm – 3:00 pm
- Homecoming Game
- 7:00 pm – 9:00 pm
- Homecoming Dance
Monday October 13
- Columbus Day Holiday Observed – School Closed
Friday October 17
- Open Arbiter (Family ID) Registration for JV/Varsity Winter Sports
Monday October 20
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Tuesday October 21
- 8:15 am – 11:15 am
-
SAT'sSS Upper Gym
Thursday October 23
- District Wide School Picture Day
Friday October 24
- Open Arbiter Registration for Modified Winter Sports
Saturday October 25
- 12:00 pm – 2:00 pm
-
PTO Trunk or TreatES/SS Parking Lot
November 2025
Monday November 3
- 11:00 am – 6:00 pm
- Fall Blood Drive
Thursday November 6
- 8:50 am – 9:50 am
- Veterans' Day Assembly
- 6:00 pm – 8:30 pm
-
The Outsiders Movie NightSS Theater
Monday November 10
- Conference Day – No School for Students
Tuesday November 11
- Veterans Day Holiday Observed – School Closed
Thursday November 13
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Friday November 14
- Senior Portrait Retake Day
- 7:00 pm – 9:30 pm
-
Secondary School PlaySS Theater
Saturday November 15
- 7:00 pm – 9:30 pm
-
Secondary School PlaySS Theater
Sunday November 16
- 7:00 pm – 9:30 pm
-
Secondary School Play- SNOWDATESS Theater
Monday November 17
- JV/Varsity Winter Sports Begin
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Tuesday November 18
- 6:00 pm – 8:00 pm
- JV/Varsity Fall Sports Awards
Monday November 24
- Modified Winter Sports Begin
- 4:00 pm – 6:00 pm
- Parent Teacher Conferences – Evening
Tuesday November 25
- Parent/Teacher Conference 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 1
- Picture Retake Day for Grades 7-12
Thursday December 4
- Picture Retake Day for Grades UPK-6
Thursday December 11
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Monday December 15
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Tuesday December 16
- 7:00 pm – 9:00 pm
- Winter Concert for Grades 4-8
Wednesday December 17
- 7:00 pm – 8:30 pm
- Winter Concert for Grades 9-12
Thursday December 18
- 7:00 pm – 9:00 pm
-
Winter Concert Snow DatesSS Theater
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
Thursday January 8
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Monday January 19
- Martin Luther King Jr. Day Observed – School Closed
Tuesday January 20 – Friday January 23
- No School for Students in Grades 9-12 Only
Tuesday January 20
- Half Semester Finals, Midterms & Regents Exams
Wednesday January 21
- Half Semester Finals, Midterms & Regents Exams
Thursday January 22
- Half Semester Finals, Midterms & Regents Exams
Friday January 23
- Half Semester Finals, Midterms & Regents Exams
Monday January 26
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
February 2026
Monday February 9
- Open Arbiter Registration for JV/Varsity Spring Sports
Thursday February 12
- 8:30 am – 9:30 am
- UPK Fashion Show
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Friday February 13
- 11:00 am – 6:00 pm
-
Winter Blood DriveSecondary School Collaboration Center
Monday February 16
- Open Arbiter Registration for Modified Spring Sports
- President’s Day Holiday Observed – School Closed
Tuesday February 17
- Lunar New Year – School Closed
Thursday February 26
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Friday February 27
- 7:00 pm – 9:30 pm
-
Secondary School Spring MusicalSS Theater
Saturday February 28
- 2:00 pm – 5:00 pm
-
Secondary School Spring MusicalSS Theater
March 2026
Sunday March 1
- 2:00 pm – 5:00 pm
-
Secondary School Spring Musical- SNOW DATESS Theater
Thursday March 5
- 5:00 pm – 7:30 pm
-
Read Across America Dinner & StorySS Cafeteria/ SS Collaboration Space
Monday March 9 – Thursday March 12
- Spirit Week - Grades 7 & 8
Monday March 9
- JV/Varsity Spring Sports Begin
- 6:00 pm – 8:00 pm
- JV/Varsity Winter Sports Awards
Wednesday March 11
- 6:00 pm – 7:30 pm
-
8th Grade Poetry SlamSS Theater
Thursday March 12
- 7th & 8th Color War
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Friday March 13
- Conference Day – No School for Students
Monday March 16 – Friday March 20
- Spirit Week - Grades 9-12
Monday March 16
- Modified Spring Sports Begin
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Wednesday March 18
- 7:00 pm – 9:00 pm
-
Music in Our Schools Month Concert- Grades 4-12Theater
Thursday March 19
- 7:00 pm – 9:00 pm
-
Music in Our Schools Month Concert- Grades 4-12- SNOW DATETheater
Friday March 20
- 7:00 pm – 8:00 pm
- Competition Night
Tuesday March 24
- 6:00 pm – 8:00 pm
- National Honor Society Induction Ceremony
Wednesday March 25
- 6:00 pm – 8:00 pm
- National Junior Honor Society Induction
Thursday March 26
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
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
Thursday April 9
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Monday April 20
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Tuesday April 21
- 8:15 am – 11:15 am
-
SATSS Upper Gym
Wednesday April 22
- 8:15 am – 11:15 am
-
PSATUpper Gym
Saturday April 25
- 7:00 pm – 10:00 pm
- Junior Prom
Tuesday April 28
- 7:00 pm – 8:00 pm
-
BOARD MEETING-School Budget Hearing & Meet the BOE CandidatesSecondary School Lower Level Collaboration Center
May 2026
Thursday May 7
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Center
Thursday May 14
- 4:00 pm – 8:00 pm
-
Meet the BOE CandidatesSecondary School Collaboration Space
Monday May 18
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingConference Room 50
Tuesday May 19
- 1:00 pm – 8:00 pm
-
School Budget Vote & BOE Candidate ElectionsSecondary School Main Gym
- 8:45 pm – 9:45 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Space
Wednesday May 20
- Elementary School Career Day
- 7:00 pm – 9:00 pm
- Spring Band Concert for Grades 9-12
Monday May 25
- Memorial Day Holiday Observed – School Closed
June 2026
Thursday June 4
- 6:00 pm – 7:00 pm
- BOCES CTE Senior Awards
Saturday June 6
- 7:00 am – 2:00 pm
-
Color Me Crazy 5K Run/WalkTrack
Tuesday June 9
- Regents Exams
- 6:00 pm – 8:00 pm
- Senior Celebration
Wednesday June 10
- Regents Exams
- 7:00 pm – 9:00 pm
- Spring Concert for Grades 4-8
Thursday June 11
- 12:30 pm – 2:45 pm
-
Civics and Social Justice Capstone ProjectSS Upper Gym
- 7:00 pm – 8:00 pm
-
BOARD MEETINGSecondary School Lower Level Collaboration Center
Friday June 12
- 9:00 am – 10:00 am
-
Ruth Scully Awards for Grades K-6SS Theater
Monday June 15
- 6:00 pm – 7:00 pm
- JV/Varsity Spring Sports Awards
- 6:30 pm – 8:00 pm
-
CAST Monthly MeetingSecondary School Lower Level Collaboration Center
Tuesday June 16
- 9:00 am – 10:00 am
- Senior Graduation Walk
Wednesday June 17
- Regents Exams
Thursday June 18
- Regents Exams
- 5:00 pm – 6:00 pm
- UPK Graduation
Friday June 19
- Juneteenth Observed – School Closed
Monday June 22
- Regents Exams
- 5:00 pm – 6:00 pm
-
UPK GraduationSS Theater
Tuesday June 23
- Regents Exams
- 9:00 am – 10:30 am
-
6th Grade Moving UpSS Theater
- 6:00 pm – 7:00 pm
- BOCES Career & Tech Graduation
Wednesday June 24
- Last Day of School for Elementary Students
- Regents Exams
Thursday June 25
- Last Day of School for Secondary Students
- Regents Exams
- 11:00 am – 12:00 pm
- Senior Graduation Rehearsal & Picnic
- 6:00 pm – 7:00 pm
- BOCES Alt. Ed Graduation
Friday June 26
- Rating Day
Saturday June 27
- 8:30 am – 9:30 am
- Senior Graduation Breakfast
- 10:00 am – 12:00 pm
-
Class of 2026 - Commencement ServicesBernstein Theatre