Visual Calendar
Official calendar scans for Sheldon ISD. Click any image to open full-screen.
School Calendar
Download Sheldon ISD's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
For the 2026–2027 school year, the district serves 8,000 students across 10 schools in Houston Area, Texas. Classes begin August 12, 2026 and end May 27, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Sheldon ISD School before scheduling around them.
About the District
Details and contact information for Sheldon ISD.
Common Questions
Sheldon ISD Calendar 2026–2027 — important dates and answers.
The first day of school for students in Sheldon ISD for the 2026-2027 school year is August 12, 2026.
Spring Break in Sheldon ISD for the 2026-2027 school year is scheduled from March 8 through March 12, 2027.
Christmas Break in Sheldon ISD for the 2026-2027 school year begins December 21, 2026 and continues through January 1, 2027.
Winter Break in Sheldon ISD for the 2026-2027 school year takes place from December 21, 2026 through January 1, 2027.
Thanksgiving Break in Sheldon ISD for the 2026-2027 school year runs from November 23 through November 27, 2026.
The last day of school for students in Sheldon ISD for the 2026-2027 school year is May 27, 2027.
Fall Break in Sheldon ISD for the 2026-2027 school year takes place from October 12 to October 16, 2026.
Labor Day holiday in Sheldon ISD for the 2026-2027 school year is observed on September 7, 2026.
Martin Luther King Jr. Day in Sheldon ISD for the 2026-2027 school year will be observed on January 18, 2027.
Memorial Day holiday in Sheldon ISD for the 2026-2027 school year is May 31, 2027.
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