For the 2026–2027 school year, the district serves 7,500 students across 9 schools in Pennsylvania. Classes begin August 20, 2026 and end June 4, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Seneca Valley SD before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Seneca Valley SD. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Seneca Valley SD's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Seneca Valley SD.
Sources and Checks
Where these dates come from
How the 2026–2027 Seneca Valley SD calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Seneca Valley SD published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against svsd.net.
- ✓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 Seneca Valley SD before booking around a date.
Common Questions
Frequently Asked Questions
Seneca Valley SD Calendar 2026–2027 — important dates and answers.
The first day of school in Seneca Valley SD for the 2026-2027 calendar year is August 20, 2026.
Spring break in Seneca Valley SD is scheduled from March 19 to March 21, 2027.
Christmas break in Seneca Valley SD runs from December 24 to December 25, 2026.
Winter break in Seneca Valley SD is from December 28 to December 31, 2026.
Thanksgiving break in Seneca Valley SD is observed from November 25 to November 26, 2026.
The last day of school for students in Seneca Valley SD is June 4, 2027.
Labor Day holiday is on September 7, 2026, and schools are closed.
In-service days (no school for students) are September 21, 2026; November 11, 2026; January 15, 2027; January 18, 2027; February 15, 2027; May 14, 2027; and June 7, 2027.
Act 80 days (no school for students) are October 23, 2026 and March 30, 2027.
Memorial Day is observed on May 31, 2027, and schools are closed.
Explore More
Recently Updated Calendars
Other Pennsylvania school district calendars — recently added or updated.