Visual Calendar
Official calendar scans for Mannheim School District 83. Click any image to open full-screen.
School Calendar
Download Mannheim School District 83's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
About the District
Details and contact information for Mannheim School District 83.
Common Questions
Mannheim School District 83 Calendar 2026–2027 — important dates and answers.
The first day of school in Mannheim School District 83 for the 2026-2027 school year is August 12, 2026.
Spring break in Mannheim School District 83 is from March 26, 2027 through April 2, 2027.
Christmas break in Mannheim School District 83 runs from December 21, 2026 through January 1, 2027.
Winter break in Mannheim School District 83 is scheduled from December 21, 2026 through January 1, 2027.
Thanksgiving break in Mannheim School District 83 falls on November 26, 2026.
The last day of school in Mannheim School District 83 for the 2026-2027 school year is May 21, 2027.
Winter break ends on January 1, 2027, with students returning on January 5, 2027.
Labor Day is observed on September 7, 2026, and there is no school on this day.
Memorial Day is on May 31, 2027, and schools are closed.
Yes, teacher institute days are scheduled on August 11, 2026, November 24, 2026, and January 4, 2027.
Explore More
Other Illinois school district calendars — recently added or updated.