Mountain Grove R-III District serves 1,600 students across 4 schools in Missouri for the 2026–2027 school year. Classes begin August 10, 2026 and end May 20, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Mountain Grove R-III District before scheduling around them.
Visual Calendar
Official calendar scans for Mountain Grove R-III District. Click any image to open full-screen.
School Calendar
Download Mountain Grove R-III District's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
About the District
Details and contact information for Mountain Grove R-III District.
Common Questions
Mountain Grove R-III District Calendar 2026–2027 — important dates and answers.
The first day of school for students in Mountain Grove R-III District for the 2026-2027 school year is August 25, 2026.
Mountain Grove R-III District does not specifically label a Spring Break on the calendar. Students are out of school on March 26 and March 29, 2027, surrounding the Easter holiday.
Christmas Break begins on December 21, 2026, and continues through January 4, 2027. Students return after the break when the second semester begins on January 5, 2027.
Winter Break is scheduled from December 21, 2026, through January 4, 2027.
Thanksgiving Break is scheduled from November 23 through November 27, 2026. Thanksgiving Day falls on November 26, 2026.
The last day of school is May 20, 2027, and it is a half-day for students.
The second semester begins on January 5, 2027.
Labor Day is observed on September 7, 2026, and there is no school on that day.
Martin Luther King Jr. Day is observed on January 18, 2027, and there is no school.
Presidents' Day is observed on February 15, 2027, and there is no school.
High School Graduation is scheduled for May 14, 2027.
Summer School is scheduled from June 1 through June 25, 2027.
The first semester ends on December 18, 2026, which is a half-day for students.
The third quarter ends on March 12, 2027.
Parent-Teacher Conferences are scheduled on October 21, 2026, and October 22, 2026.
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