For the 2026–2027 school year, the district serves 11,000 students across 16 schools in Illinois. Classes begin August 19, 2026 and end June 7, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Cicero School District 99 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Cicero School District 99. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Cicero School District 99's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Cicero School District 99 SD99.
Sources and Checks
Where these dates come from
How the 2026–2027 Cicero School District 99 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Cicero School District 99 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against cicd99.edu.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Cicero School District 99 before booking around a date.
Common Questions
Frequently Asked Questions
Cicero School District 99 Calendar 2026–2027 — important dates and answers.
The first day of school is August 19, 2026.
Spring break is from March 22 to March 26, 2027.
Christmas break is part of winter break, which runs from December 21 to December 31, 2026.
Winter break is from December 21 to December 31, 2026.
Thanksgiving break is from November 25 to November 27, 2026.
The last day of school is June 7, 2027.
Labor Day is observed on September 7, 2026.
Martin Luther King Jr. Day is on January 18, 2027.
Presidents’ Day is on February 15, 2027.
Memorial Day is observed on May 31, 2027.
Parent/Teacher Conferences are scheduled for November 2, 2026 and April 2, 2027.
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Recently Updated Calendars
Other Illinois school district calendars — recently added or updated.