Jefferson Joint School District 251 serves 9,500 students across 14 schools in Idaho for the 2026–2027 school year. Classes begin August 24, 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 Jefferson Joint School District 251 before scheduling around them.
Visual Calendar
Official calendar scans for Jefferson Joint School District 251. Click any image to open full-screen.
School Calendar
Download Jefferson Joint School District 251's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
About the District
Details and contact information for Jefferson Joint School District 251.
Common Questions
Jefferson Joint School District 251 Calendar 2026–2027 — important dates and answers.
The first day of school for Jefferson Joint School District 251 is August 24, 2026.
Spring Break is from March 29–31, 2027 and continues April 1–2, 2027.
Christmas Break runs from December 21–31, 2026 with no school for students.
Winter Break takes place from December 21–31, 2026.
Thanksgiving Break is scheduled for November 23–27, 2026.
The last day of school is May 27, 2027.
Labor Day Holiday (No School) is on September 7, 2026.
Parent Teacher Conferences are scheduled for October 14–15, 2026 and January 27–28, 2027. These are 1-hour early release days.
The 1st Trimester ends on November 12, 2026.
The 3rd Trimester begins on March 1, 2027.
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