For the 2026–2027 school year, California R-I School District publishes its official academic calendar for Missouri. Classes begin Aug 24 and end May 21. All dates listed below are sourced from the district's official publications. Verify with California R-I School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for California R-I School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
California R-I School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- First Day of SchoolAug 24, 2026School Opens
- No School (Labor Day)Sep 7, 2026No School
- No School (Professional Development Day)Sep 18, 2026No School
- Early Dismissal (Homecoming)Oct 2, 2026Event
- No School (Professional Development Day)Oct 12, 2026No School
- End of 1st QuarterOct 20, 2026Grading
- No School (Thanksgiving Break)Nov 25 — Nov 27No School
- Early DismissalDec 18, 2026Event
- No School (Christmas Break)Dec 21 — Jan 1No School
- No School (Professional Development Day)Jan 4, 2027No School
- No School (Martin Luther King Jr. Day)Jan 18, 2027No School
- No School (Professional Development Day)Feb 15, 2027No School
- End of 3rd QuarterMar 5, 2027Grading
- No School (Spring Break)Mar 22 — Mar 26No School
- No School (Professional Development Day)Mar 29, 2027No School
- No School (Professional Development Day)Apr 23, 2027No School
- GraduationMay 16, 2027Event
- Last Day of School (Early Dismissal)May 21, 2027School Closes
About the District
School Information
Details and contact information for California R-I School District CR1.
Sources and Checks
Where these dates come from
How the 2026–2027 California R-I School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar California R-I School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against californiak12.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 California R-I School District before booking around a date.
Common Questions
Frequently Asked Questions
California R-I School District Calendar 2026–2027 — important dates and answers.
The first day of school in California R-I School District is August 24, 2026.
Spring Break in California R-I School District is from March 22 through March 26, 2027.
Christmas Break in California R-I School District is from December 21, 2026 through January 1, 2027.
The district calendar lists Christmas Break from December 21, 2026 through January 1, 2027, which serves as the winter holiday break.
Thanksgiving Break in California R-I School District is from November 25 through November 27, 2026.
The last day of school is May 21, 2027, with an early dismissal.
There will be no school on September 7, 2026 for Labor Day.
Professional Development Days with no school are September 18, October 12, 2026, and January 4, February 15, March 29, and April 23, 2027.
Homecoming early dismissal is scheduled for October 2, 2026.
Parent-Teacher Conferences are scheduled for October 22 and October 27, 2026.
There will be no school on January 18, 2027 for Martin Luther King Jr. Day.
The first quarter ends on October 20, 2026.
The third quarter ends on March 5, 2027.
Graduation is scheduled for May 16, 2027.
An early dismissal is scheduled for December 18, 2026 before Christmas Break.
Explore More
Recently Updated Calendars
Other Missouri school district calendars — recently added or updated.