For the 2026–2027 school year, the district serves 12,000 students across 14 schools in Pennsylvania. Classes begin August 26, 2026 and end June 15, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Upper Darby School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Upper Darby School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Upper Darby School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Upper Darby School District UDSD.
Sources and Checks
Where these dates come from
How the 2026–2027 Upper Darby School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Upper Darby School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against upperdarbysd.org.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Upper Darby School District before booking around a date.
Common Questions
Frequently Asked Questions
Upper Darby School District Calendar 2026–2027 — important dates and answers.
The first day of school in Upper Darby School District for the 2026-2027 academic year is August 26, 2026.
Spring break in Upper Darby School District for the 2026-2027 school year is from March 22 to March 26, 2027.
Christmas break in Upper Darby School District for the 2026-2027 school year runs from December 24, 2026 to January 1, 2027.
Winter break in Upper Darby School District for the 2026-2027 school year is from December 24, 2026 through January 1, 2027.
Thanksgiving break in Upper Darby School District for the 2026-2027 school year is from November 26 to November 27, 2026.
The last day of school in Upper Darby School District for the 2026-2027 academic year is June 15, 2027.
Winter break starts on December 24, 2026 for students in Upper Darby School District.
Students return to school on January 4, 2027 after winter break in Upper Darby School District.
Spring break lasts for one week, from March 22 to March 26, 2027.
Yes, schools and offices are closed on July 3, 2026 in observance of Independence Day.
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Recently Updated Calendars
Other Pennsylvania school district calendars — recently added or updated.