Visual Calendar
Official calendar scans for Seneca Valley SD. Click any image to open full-screen.
School Calendar
Download Seneca Valley SD's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
About the District
Details and contact information for Seneca Valley SD.
Common 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.
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