For the 2026–2027 school year, the district serves 7,000 students across 4 schools in Illinois. Classes begin August 19, 2026 and end May 28, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Joliet Township High School District 204 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Joliet Township High School District 204. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Joliet Township High School District 204's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Joliet Township High School District 204 JTHSD204.
Sources and Checks
Where these dates come from
How the 2026–2027 Joliet Township High School District 204 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Joliet Township High School District 204 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against jths.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 Joliet Township High School District 204 before booking around a date.
Common Questions
Frequently Asked Questions
Joliet Township High School District 204 Calendar 2026–2027 — important dates and answers.
The first day of school for Joliet Township High School District 204 for the 2026-2027 school year is August 19, 2026.
Spring Break in Joliet Township High School District 204 begins on March 29, 2027 and continues through April 2, 2027.
Christmas Break in Joliet Township High School District 204 starts on December 21, 2026 and ends on January 1, 2027.
Winter Break in Joliet Township High School District 204 is scheduled from December 21, 2026 through January 1, 2027.
Thanksgiving Break in Joliet Township High School District 204 will take place from November 25 through November 27, 2026.
The last day of school for Joliet Township High School District 204 is May 28, 2027.
Labor Day Holiday in Joliet Township High School District 204 is on September 7, 2026, and there will be no classes.
Martin Luther King Jr. Day will be observed on January 18, 2027, and there will be no classes.
Graduation for Joliet Township High School District 204 is scheduled for May 22, 2027.
Memorial Day will be observed on May 31, 2027, and there will be no classes.
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