For the 2026–2027 school year, the district serves 1,500 students across 4 schools in Illinois. The school year starts August 20, 2026, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Riverdale C.u.s.d. #100 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Riverdale C.u.s.d. #100. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Riverdale C.u.s.d. #100's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Riverdale C.u.s.d. #100.
Sources and Checks
Where these dates come from
How the 2026–2027 Riverdale C.u.s.d. #100 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Riverdale C.u.s.d. #100 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against riverdaleschools.org.
- ✓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 Riverdale C.u.s.d. #100 before booking around a date.
Common Questions
Frequently Asked Questions
Riverdale C.u.s.d. #100 Calendar 2026–2027 — important dates and answers.
The first day of school for students in grades 6-12 is August 20, 2026. The first day for K-5 students is August 21, 2026, and the first day for Pre-K students is August 24, 2026.
Spring Break is scheduled from March 15-19, 2027. Students return to school after the break.
Christmas Break begins on December 21, 2026 and continues through January 4, 2027.
Winter Break is observed from December 21, 2026, through January 4, 2027. Students return on January 5, 2027.
Thanksgiving Break is scheduled for November 25-27, 2026. There is no school during these dates.
The last student day for the 2026-2027 school year is May 25, 2027, which is also the end of the fourth quarter.
Labor Day is observed on September 7, 2026. There is no school on this day.
Parent-Teacher Conferences are scheduled for October 21-22, 2026, with a full-day conference and no school on October 23, 2026.
The first semester ends on December 18, 2026, which is also the last student day before Winter Break.
Martin Luther King Jr. Day is observed on January 18, 2027. There is no school on this holiday.
Presidents' Day falls on February 15, 2027. Students and staff do not attend school on this day.
Good Friday is observed on March 26, 2027. There is no school on this day.
The third quarter ends on March 12, 2027.
Graduation is scheduled for May 16, 2027.
The 8th Grade Promotion ceremony will take place on May 20, 2027.
Yes. Emergency days are reserved for May 26-28, 2027 and June 1-2, 2027, if needed.
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