Upper Darby School District Calendar 2025-2026
The Upper Darby School District calendar for the 2025-2026 school year provides all the necessary dates for students, parents, and staff. The calendar includes important information such as employee planning days, school holidays, and recess periods. Here's a detailed overview to help you plan your academic year.
Key Dates
- First Day of Schools (All Grades): August 25, 2025
- Winter Break (Schools/Offices Closed): December 24, 2025 – January 2, 2026
- Keystone Testing (UDHS Late Openings) - Winter Window: January 5, 2026 – January 12, 2026
- UDHS Final Exams (Midyear): January 13, 2026 – January 16, 2026
- Spring Break (Schools/Offices Closed): March 30, 2026 – April 3, 2026
- Keystone Testing (UDHS Late Openings) - Spring Window: May 11, 2026 – May 18, 2026
- UDHS Final Exams (End of Year): June 3, 2026 – June 9, 2026
- Last Day of School for Students & Teachers (Early Dismissal K–11): June 10, 2026
- UDHS Graduation: June 10, 2026
Note: This calendar page is created based on information from the official website Upper Darby School District
Interactive School Calendar
Printable Resources
Looking for a clean, easy-to-read Upper Darby School District printable calendar? Our team at pennsylvaniaschools.us has formatted the official 2025-2026 school dates into a high-quality PDF, verified against the latest district updates to ensure 100% accuracy for parents and students.
Upper Darby School District Calendar 2025-2026
July 2025
- July 4 – Independence Day - Schools/Offices Closed
- July 24 – Last Day of HS Summer School
- July 31 – Last Day of Summer Program (K-8)
August 2025
- August 12–14 – New Teacher Orientation
- August 19 – Teachers First Day (PD) / District Kickoff
- August 19–22 – Professional Development (PD)
- August 25 – First Day of Schools (All Grades)
- August 25–28 – Early Dismissal - All District Students (PD)
September 2025
- September 1 – Labor Day - Schools/Offices Closed
- September 3 – Elementary Early Dismissal / PD
- September 4 – MS Early Dismissal / Planning Time
- September 11 – MS Early Dismissal / PD
- September 17 – HS Early Dismissal / PD
- September 18 – MS Early Dismissal / Planning Time
- September 25 – MS Early Dismissal / Planning Time
October 2025
- October 1 – Elementary Early Dismissal / PD
- October 2 – MS Early Dismissal / Planning Time
- October 8 – PSAT Testing - Grades 10 & 11
- October 9 – MS Early Dismissal / PD
- October 13 – Columbus / Indigenous Peoples’ Day - Schools Closed (Offices Open)
- October 15 – HS Early Dismissal / PD
- October 16 – MS Early Dismissal / Planning Time
- October 23 – MS Early Dismissal / Planning Time
- October 30 – MS Early Dismissal / Planning Time
- October 31 – MS/HS - End of Marking Period
November 2025
- November 4 – Election Day - No School for Students / PD
- November 5 – Elementary Early Dismissal / PD
- November 6 – MS Early Dismissal / Planning Time
- November 13 – MS Early Dismissal / PD
- November 19 – HS Early Dismissal / PD
- November 21 – KDG/Elem. - End of Trimester
- November 24–25 – Elem./MS Early Dismissal (Conferences)
- November 24–26 – KDG Conferences (No Students)
- November 26 – Early Dismissal (Grades 1-12) - All Staff
- November 27–28 – Thanksgiving Holiday - Schools/Offices Closed
December 2025
- December 3 – Elementary Early Dismissal / PD
- December 4 – MS Early Dismissal / Planning Time
- December 5 – Elementary Early Dismissal / Planning Time
- December 11 – MS Early Dismissal / PD
- December 17 – KDG/Elem. - Progress Reports Distribution
- December 17 – HS Early Dismissal / PD
- December 24–January 2 – Winter Break - Schools/Offices Closed
January 2026
- January 5 – School Resumes for Staff & Students
- January 5 – Keystone Testing Begins (UDHS Late Openings)
- January 12 – Keystone Testing Ends (UDHS Late Openings)
- January 7 – Elementary Early Dismissal / PD
- January 8 – MS Early Dismissal / PD
- January 13 – UDHS Final Exams Begin
- January 16 – UDHS Final Exams End
- January 15 – MS Early Dismissal / Planning Time
- January 22 – MS Early Dismissal / Planning Time
- January 29 – MS Early Dismissal / Planning Time
- January 16 – MS/HS - End of Marking Period
- January 19 – Dr. Martin Luther King Jr. Holiday - Schools/Offices Closed
February 2026
- February 4 – Elementary Early Dismissal / PD
- February 5 – MS Early Dismissal / Planning Time
- February 19 – MS Early Dismissal / Planning Time
- February 26 – MS Early Dismissal / Planning Time
- February 12 – MS Early Dismissal / PD
- February 13 – No School for Students / PD
- February 16 – Presidents’ Day - Schools/Offices Closed
- February 18 – HS Early Dismissal / PD
- February 27 – KDG/Elem. - End of Trimester
March 2026
- March 4 – Elementary Early Dismissal / PD
- March 5 – MS Early Dismissal / Planning Time
- March 6 – Elementary Early Dismissal / Planning Time
- March 12 – MS Early Dismissal / Planning Time
- March 18 – KDG/Elem. - Progress Reports Distribution
- March 18 – HS Early Dismissal / PD
- March 19 – MS Early Dismissal / Planning Time
- March 26 – MS Early Dismissal / Planning Time
- March 27 – MS/HS - End of Marking Period
- March 30–April 3 – Spring Break - Schools/Offices Closed
April 2026
- April 6 – School Resumes for Students & Staff
- April 9 – MS Early Dismissal / Planning Time
- April 16 – MS Early Dismissal / Planning Time
- April 21 – PSSA Testing Begins (ELA) - Grades 3-8
- April 23 – PSSA Testing Ends (ELA) - Grades 3-8
- April 27 – PSSA Testing Begins (MATH) - Grades 3-8
- April 28 – PSSA Testing Ends (MATH) - Grades 3-8
- April 29 – PSSA Testing Begins (SCIENCE) - Grades 5 & 8
- April 30 – PSSA Testing Ends (SCIENCE) - Grades 5 & 8
May 2026
- May 6 – Elementary Early Dismissal / PD
- May 7 – MS Early Dismissal / Planning Time
- May 11 – Keystone Testing Begins (UDHS Late Openings)
- May 18 – Keystone Testing Ends (UDHS Late Openings)
- May 14 – MS Early Dismissal / PD
- May 19 – Primary Election - No School for Students / PD
- May 20 – HS Early Dismissal / PD
- May 22 – No School for Students / PD (Contract In-service)
- May 25 – Memorial Day - Schools/Offices Closed
- May 21 – MS Early Dismissal / Planning Time
- May 28 – MS Early Dismissal / Planning Time
June 2026
- June 3 – UDHS Final Exams Begin (End of Year)
- June 9 – UDHS Final Exams End (End of Year)
- June 4 – MS Early Dismissal / Planning Time
- June 5 – Elementary Early Dismissal / Planning Time
- June 10 – UDHS Graduation
- June 10 – KDG/Elem./MS/HS - End of Marking Period
- June 10 – Last Day of School for Students & Teachers (Early Dismissal K–11)
- June 19 – Juneteenth - Schools/Offices Closed
- June 22 – First Day of Summer Program (Grades 9–12)
- June 23 – First Day of Summer Program (Grades K–8)
Learn More About Upper Darby School District
Get detailed information about Upper Darby School District including school listings, district policies, contact information, and more educational resources.
Frequently Asked Questions (FAQ)
The first day of school for all grades is 2025-08-25.
The last day of school for students and teachers is 2026-06-10 (early dismissal K–11).
Early release days occur frequently for PD/planning; the first three scheduled are 2025-08-25, 2025-09-03 and 2025-09-04.
Spring Break is 2026-03-30 through 2026-04-03 (schools and offices closed).
No — Labor Day is 2025-09-01 and schools/offices are closed.
Winter Break runs from 2025-12-24 through 2026-01-02 (schools and offices closed).
Keystone testing windows listed are 2026-01-05 to 2026-01-12 and 2026-05-11 to 2026-05-18 (UDHS late openings noted).
Yes — Memorial Day is 2026-05-25 and schools/offices are closed.
Plan Ahead with the Upper Darby School District Calendar
Stay organized with the Upper Darby School District 2025-2026 calendar. Whether you're a student or a parent, this calendar will help you keep track of important dates such as school holidays, planning days, and breaks. Be sure to bookmark this page for quick access to important updates throughout the school year.