2026–2027OfficialUpdated

Upper Darby School District School Calendar 2026–2027

The Upper Darby School District calendar includes holidays, school breaks, early dismissals and important dates from August 2026 through June 2027. Dates are checked against the district’s published calendar. Printable PDF and Google/Apple Calendar sync options are available below.

Download PDFAdd to GoogleAdd to AppleDownload ICS
School Year Timeline

School Year at a Glance

  1. First Day of SchoolAug 31, 2026
  2. Thanksgiving BreakNov 26, 2026 - Nov 27, 2026
  3. Winter BreakDec 24, 2026 - Jan 1, 2027
  4. Spring BreakMar 22, 2027 - Mar 26, 2027
  5. Last Day of SchoolJun 15, 2027

School year dates

Key Dates

Key dates for Upper Darby School District 2026-2027 school calendar
EventDate(s)Status
First Day of School / All-Student Early Dismissal
First day / early dismissal
Labor Day — Schools and Offices Closed Includes 2 weekend days through
Schools and offices closed
Columbus / Indigenous Peoples’ Day
Schools closed; offices open
Thanksgiving Holiday through
Schools closed
Winter Break through
Schools closed
Dr. Martin Luther King Jr. Holiday
Schools closed
Presidents’ Day
Schools closed
Spring Break through
Schools closed
Memorial Day Holiday
Schools closed
Last Day of School / K–11 Early Dismissal
Last school day; early dismissal applies to K–11
Spot an error? Help us keep this calendar accurate.

Extended Time Off

Extended no-school periods for Upper Darby School District 2026-2027

Continuous planning windows, including adjacent weekends
PeriodDate(s)Length
Labor Day — Schools and Offices Closed WindowSep 4 – 7, 2026

Districtwide no-school: Sep 4 – 7, 2026

4 days
Thanksgiving Holiday WindowNov 26 – 29, 2026

Districtwide no-school: Nov 26 – 27, 2026

Adjacent weekend: Nov 28 – 29, 2026

4 days
Winter Break WindowDec 24, 2026 – Jan 3, 2027

Districtwide no-school: Dec 24, 2026 – Jan 1, 2027

Adjacent weekend: Jan 2 – 3, 2027

11 days
No School for Students / Professional Development WindowFeb 12 – 15, 2027

Districtwide no-school: Feb 12, 2027 · Feb 15, 2027

Adjacent weekend: Feb 13 – 14, 2027

4 days
Spring Break WindowMar 20 – 28, 2027

Districtwide no-school: Mar 22 – 26, 2027

Adjacent weekend: Mar 20 – 21, 2027 · Mar 27 – 28, 2027

9 days
No School for Students / Contract In-service WindowMay 28 – 31, 2027

Districtwide no-school: May 28, 2027 · May 31, 2027

Adjacent weekend: May 29 – 30, 2027

4 days

Planning windows include weekends; they are not counts of school days missed. Conditional and grade-specific closures are excluded.

For students and families

Other Important Dates

Other important dates for Upper Darby School District 2026-2027
EventDate(s)
PSAT Testing — Grades 10 and 11
Middle / High School Marking Period 1 Ends — Middle and high school students
Kindergarten / Elementary Trimester 1 Ends — Kindergarten and elementary students (K–5)
Kindergarten Conferences — No Kindergarten Classes through
Kindergarten / Elementary Progress Reports Distributed — Kindergarten and elementary students
School Resumes After Winter Break
Keystone Testing / Asynchronous Work for Students Not Assessed — Students covered by the Keystone testing or asynchronous-work schedule through
UDHS Final Exam Window — Upper Darby High School students through
Middle / High School Marking Period 2 Ends — Middle and high school students
Kindergarten / Elementary Trimester 2 Ends — Kindergarten and elementary students (K–5)
Kindergarten / Elementary Progress Reports Distributed — Kindergarten and elementary students
Middle / High School Marking Period 3 Ends — Middle and high school students
PSSA ELA Testing — Grades 3–8 through
PSSA Math Testing — Grades 3–8 through
PSSA Science Testing — Grades 5 and 8 through
Keystone Testing / Asynchronous Work for Students Not Assessed — Students covered by the Keystone testing or asynchronous-work schedule
Keystone Testing / Asynchronous Work for Students Not Assessed — Students covered by the Keystone testing or asynchronous-work schedule through
UDHS Final Exam Window — Upper Darby High School students through
Upper Darby High School Graduation
Kindergarten / Elementary Progress Reports Distributed — Kindergarten and elementary studentsMiddle School Report Cards Distributed — Middle school studentsYear-end Marking Period Ends — Kindergarten, elementary, middle and high school students

Month by month

Monthly Calendar

Highlighted dates follow the published calendar; grouped or inferred entries are labelled. Today is determined in Eastern Time (America/New_York).

  • School Day
  • Weekend
  • Holiday (No School)
  • School Break
  • First / Last Day

August 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • First Day of School / All-Student Early Dismissal

September 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • All-Student Early Dismissal
  • Labor Day — Schools and Offices Closed Includes 2 weekend days
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Professional Development
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Middle School Early Dismissal / Planning
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Columbus / Indigenous Peoples’ Day
  • PSAT Testing — Grades 10 and 11
  • Middle School Early Dismissal / Professional Development
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Planning

November 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Election Day / No School for Students
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Middle / High School Marking Period 1 Ends
  • Middle School Early Dismissal / Professional Development
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Kindergarten / Elementary Trimester 1 Ends
  • Elementary Conferences / Early Dismissal (Grades 1–5)
  • Middle School Conferences / Early Dismissal
  • Kindergarten Conferences — No Kindergarten Classes
  • Early Dismissal — Grades 1–12
  • Thanksgiving Holiday

December 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Elementary Early Dismissal / Planning
  • Kindergarten / Elementary Progress Reports Distributed
  • Middle School Early Dismissal / Professional Development
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Winter Break

January 2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Winter Break
  • School Resumes After Winter Break
  • Keystone Testing / Asynchronous Work for Students Not Assessed Assigned Keystone testing or remote asynchronous work; follow school instructions.
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Professional Development
  • Dr. Martin Luther King Jr. Holiday
  • UDHS Final Exam Window Assessment period; school assigns individual sessions.
  • Middle School Early Dismissal / Planning
  • Middle / High School Marking Period 2 Ends
  • Middle School Early Dismissal / Planning

February 2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Professional Development
  • No School for Students / Professional Development
  • Presidents’ Day
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Planning
  • Kindergarten / Elementary Trimester 2 Ends

March 2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Elementary Early Dismissal / Planning
  • Kindergarten / Elementary Progress Reports Distributed
  • Middle School Early Dismissal / Professional Development
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Spring Break

April 2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Middle School Early Dismissal / Planning
  • Middle / High School Marking Period 3 Ends
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Planning
  • Middle School Early Dismissal / Planning
  • PSSA ELA Testing — Grades 3–8 Assessment period; school assigns individual sessions.

May 2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • PSSA Math Testing — Grades 3–8 Assessment period; school assigns individual sessions.
  • PSSA Science Testing — Grades 5 and 8 Assessment period; school assigns individual sessions.
  • Elementary Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • Keystone Testing / Asynchronous Work for Students Not Assessed
  • Primary Election / No School for Students
  • Keystone Testing / Asynchronous Work for Students Not Assessed Assigned Keystone testing or remote asynchronous work; follow school instructions.
  • Middle School Early Dismissal / Professional Development
  • High School Early Dismissal / Professional Development
  • Middle School Early Dismissal / Planning
  • No School for Students / Contract In-service
  • Memorial Day Holiday

June 2027

Sun
Mon
Tue
Wed
Thu
Fri
Sat
  • Middle School Early Dismissal / Planning
  • Elementary Early Dismissal / PD or Planning
  • UDHS Final Exam Window Assessment period; school assigns individual sessions.
  • Middle School Early Dismissal / Planning
  • Upper Darby High School Graduation
  • Kindergarten / Elementary Progress Reports Distributed
  • Last Day of School / K–11 Early Dismissal
  • Middle School Report Cards Distributed
  • Year-end Marking Period Ends

About Upper Darby School District

Upper Darby opens Monday, August 31, 2026, and dismisses all students early that day and September 1–3. Schools then close September 4 and September 7 for Labor Day. The June 15, 2027 last-day entry includes early dismissal for K–11. The calendar lists 180 student days for kindergarten, 183 for grades 1–11 and 182 for grade 12; those are separate totals, not one districtwide attendance count.

November conferences need particular care. Kindergarten has no classes November 23–25. Elementary and middle schools dismiss early November 23–24, with different afternoon and evening conference sessions; grades 1–12 dismiss early November 25. Thanksgiving holidays are November 26–27, and the next scheduled school day is November 30. Winter break runs December 24–January 1, with a January 4 return; spring break is March 22–26.

Middle school planning dismissals are individual dates, not continuous weekly breaks. Keystone testing includes remote asynchronous work for students not assessed. Its May sessions are May 17 and May 19–20, separated by the May 18 student closure. UDHS graduation is June 14. The PDF gives no ceremony time or school pickup times, so families should use their school’s notices.

Kindergarten student days: 180 days. The PDF’s kindergarten total accounts for its separate schedule, including no kindergarten classes during November 23–25 conferences.

Grades 1–11 student days: 183 days. Published grade-specific total. Early-dismissal dates remain student school days; this is not the total for kindergarten or grade 12.

Grade 12 student days: 182 days. Published senior total. Graduation is June 14; the PDF’s June 15 early-dismissal instruction names K–11. No separate senior last attendance date is inferred.

About This Calendar

Data source: Based on the district calendar and supporting sources listed below.

Disclaimer: This website is not affiliated with Upper Darby School District, any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.

Last updated: