CUSD 21 School serves 6,800 students across 13 schools in Illinois for the 2026–2027 school year. Classes begin August 19, 2026 and end June 1, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications — verify with CUSD 21 School before scheduling around them.
Visual Calendar
Official calendar scans for CUSD 21. Click any image to open full-screen.
School Calendar
Download CUSD 21's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
About the District
Details and contact information for CUSD 21.
Common Questions
CUSD 21 Calendar 2026–2027 — important dates and answers.
The first day of school for Grades 1-8 in Community Consolidated School District 21 is August 19, 2026. Pre-K and Kindergarten students begin on August 20-21, 2026.
Spring break in Community Consolidated School District 21 begins on March 22, 2027, and classes resume on March 29, 2027.
Christmas break in Community Consolidated School District 21 starts on December 21, 2026, as part of the winter break schedule.
Winter break in Community Consolidated School District 21 begins on December 21, 2026, and students return to classes on January 5, 2027.
Thanksgiving break in Community Consolidated School District 21 includes November 26-27, 2026. Additional non-attendance days are scheduled on November 25, 2026.
The tentative last day of school in Community Consolidated School District 21 is June 1, 2027.
Labor Day holiday in Community Consolidated School District 21 is on September 7, 2026, and all buildings will be closed.
School Improvement Days in Community Consolidated School District 21 are scheduled for September 30, 2026, February 18, 2027, and May 20, 2027.
Memorial Day in Community Consolidated School District 21 will be observed on May 31, 2027, and schools will be closed.
Classes resume after winter break in Community Consolidated School District 21 on January 5, 2027.
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Other Illinois school district calendars — recently added or updated.