Centennial School District Calendar (2025-2026)
Calendar by educounty.net
| Date | Event |
|---|---|
| July 1, 2025 | Window Opens for Grs. K-12 Inservice - Professional Learning (Virtual, Asynchronous) |
| July 4, 2025 | All Schools and Offices Closed (4th of July) |
| August 4-21 | Window for Gr. K-12 Inservice - Teacher Prep Day |
| August 19-20 | New Teacher Orientation/Induction |
| August 22 | Window Closes for Grs. K-12 Inservice - Professional Learning (Virtual, Asynchronous) |
| August 25 | Grs K-12 Inservice - Convocation/Building Day, Kindergarten Orientation |
| August 26 | Grs. K-12 Inservice - Professional Learning |
| August 27 | First Full Day for Students, Grades 1-12 |
| August 27 | First Half Day for Grade K Students - Last name A-L Only |
| August 28 | First Half Day for Grade K Students - Last name M-Z Only |
| August 29 | All Schools Closed/Offices Open |
| September 1 | All Schools & Offices Closed (Labor Day) |
| September 23 | All Schools & Offices Closed (Rosh Hashanah) |
| October 2, 2025 | All Schools & Offices Closed (Yom Kippur) |
| October 17, 2025 | Early Dismissal Grs. K-12; Grs. K-12 Inservice - Professional Learning |
| November 3, 2025 | Early Dismissal Grs. 6-12; Grs. 6-12 Grading Day; Grs. K-5 Full Day of School |
| November 4, 2025 | All Schools Closed Grs. K-12 Inservice - Professional Learning |
| November 21, 2025 | Elementary Schools Closed, Grs. K-5 Inservice - Grading Day, Grs. 6-12 Full Day of School |
| November 25, 2025 | Early Dismissal Grs. K-5; Grs. K-5 Conferences; Grs. 6-12 Full Day of School |
| November 26, 2025 | All Schools Closed, Grs. K-12 Conferences |
| November 27-28, 2025 | All Schools & Offices Closed (Thanksgiving) |
| December 23, 2025 | Early Dismissal Grs. K-12, Grs. K-12 Inservice - Professional Learning (Virtual, Asynchronous) |
| December 24-31, 2025 | All Schools & Offices Closed (Winter Recess) |
| January 1-2, 2026 | All Schools & Offices Closed (Winter Recess) |
| January 19, 2026 | All Schools & Offices Closed (Martin Luther King Jr. Day) |
| January 23, 2026 | Grs. K-5 Full Day of School, Secondary Schools Closed; Grs. 6-12 Inservice - Transition Day |
| February 13, 2026 | Early Dismissal Grs. K-12; Grs. K-12 Inservice - Professional Learning |
| February 16, 2026 | All Schools & Offices Closed (Presidents' Day) |
| March 11, 2026 | Early Dismissal Grs. K-12; Grs K-5 Conferences, Grs. 6-12 Inservice - Professional Learning |
| April 1, 2026 | Early Dismissal Grs. K-12; Grs. K-5 Inservice - Professional Learning, Grs, 6-12 Grading Day |
| April 2-6, 2026 | All Schools & Offices Closed (Spring Break) |
| April 7, 2026 | All Schools Open - Window Opens for Grs. K-12 Inservice - Professional Learning (Virtual, Asynchronous) |
| May 19, 2026 | All Schools Closed/Offices Open (Snow make-up day) |
| May 22, 2026 | All Schools Closed / Offices Open; Window Closes for Grs. K-12 Inservice - Professional Learning (Virtual, Asynchronous) |
| May 25, 2026 | All Schools & Offices Closed (Memorial Day) |
| May 29, 2026 | Early Dismissal Grs. K-5; Grs K-5 Grading Day; Grs. 6-12 Full Day of School |
| June 2-3 | Early Dismissal Grs. 9-12; Grs 9-12 End of Year Transition Planning |
| June 3 | William Tennent High School Graduation (Rain Date 6/4) |
| June 4, 5 & 8 | Early Dismissal Grs. 9-11, Grs 9-11 End of Year Transition Planning |
| June 8 | MP4-June 8, 2026 |
| June 9 | Early Dismissal Grs. K-11; Grs K-11 End of Year Transition Planning |
| June 9 | Early Dismissal Grs. K-11; Grs. K-11 Last Day of School; |
| June 10 | Grs. K-12 Inservice - Professional Learning |
| June 11 | Grs. K-12 Inservice - Teacher Close Out/Clerical |
Centennial School District Calendar 2025-2026
When is the first day of school in Centennial School District for the 2025-2026 calendar year?
The first full day of school for students in grades 1-12 is August 27, 2025. The first half day for Grade K students with last names A-L is August 27, 2025, and for students with last names M-Z is August 28, 2025. [cite: 3, 4, 5]
When is Spring Break in Centennial School District for the 2025-2026 calendar year?
Spring Break in Centennial School District is from April 2-6, 2026. [cite: 29, 30, 31]
When is Winter Break in Centennial School District for the 2025-2026 calendar year?
Winter Recess in Centennial School District is from December 24-31, 2025, and continues on January 1-2, 2026. [cite: 16, 17, 18, 21, 22]
When is Thanksgiving break in Centennial School District for the 2025-2026 calendar year?
Thanksgiving break in Centennial School District is November 27-28, 2025. [cite: 15]
When is the last day of school in Centennial School District for the 2025-2026 calendar year?
The last day of school for students in grades K-11 is June 9, 2026. [cite: 39, 40]
Are there any teacher in-service days with no school for students?
Yes, there are several teacher in-service days throughout the year. For example, August 4-21, 2025 is a window for teacher prep days, and November 4, 2025, is a professional learning day for teachers with no school for students. [cite: 5, 13]
When is the High School Graduation?
William Tennent High School Graduation is on June 3, 2026 (with a rain date of June 4). [cite: 38]
Calendar Disclaimer
The school calendar provided on this page is taken from the officialCentennial School District website. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.