For the 2026–2027 school year, Lamar R-1 School publishes its official academic calendar for Missouri. Classes begin Aug 24 and end May 20. All dates listed below are sourced from the district's official publications. Verify with Lamar R-1 School before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Lamar R-1 School. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Lamar R-1 School's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- All Staff Professional DevelopmentAug 18 — Aug 21Teacher Day
- Snoop NightAug 20, 2026Event
- First Day of SchoolAug 24, 2026School Opens
- Fair Break - No SchoolAug 27 — Aug 28No School
- Labor Day - No SchoolSep 7, 2026No School
- No SchoolSep 28, 2026No School
- No SchoolOct 12, 2026No School
- Parent Conferences 3:30-6:30 - Regular DismissalOct 27, 2026Event
- Parent Conferences 3:30-6:30 - Regular DismissalOct 28, 2026Event
- Parent Conferences 1:15-3:00 - Dismiss at 1:00Oct 29, 2026Event
- No SchoolOct 30, 2026No School
- Thanksgiving Break - No SchoolNov 23 — Nov 27No School
- Christmas Vacation - No SchoolDec 21 — Jan 4No School
- Professional Development - No SchoolJan 4, 2027No School
- Classes ResumeJan 5, 2027Event
- MLK Day - No SchoolJan 18, 2027No School
- No SchoolFeb 1, 2027No School
- Presidents Day - No SchoolFeb 15, 2027No School
- No SchoolMar 1, 2027No School
- Spring Break - No SchoolMar 15 — Mar 19No School
- Easter Break - No SchoolMar 26 — Mar 29No School
- No School; Make Up DayApr 19, 2027No School
- Last Day of School - Dismiss at 1:00May 20, 2027School Closes
- Professional DevelopmentMay 21, 2027Teacher Day
- Make Up DaysMay 21 — May 27Event
- GraduationMay 23, 2027Event
About the District
School Information
Details and contact information for Lamar R-1 School LR1.
Sources and Checks
Where these dates come from
How the 2026–2027 Lamar R-1 School calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Lamar R-1 School published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against lamar.k12.mo.us.
- ✓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 Lamar R-1 School before booking around a date.
Common Questions
Frequently Asked Questions
Lamar R-1 School Calendar 2026–2027 — important dates and answers.
The first day of school for Lamar R-1 School is August 24, 2026.
Spring Break is March 15-19, 2027. There will be no school during the break.
Christmas Vacation is December 21, 2026 through January 4, 2027. Classes resume on January 5, 2027.
The winter holiday break, listed as Christmas Vacation on the school calendar, is December 21, 2026 through January 4, 2027.
Thanksgiving Break is November 23-27, 2026. There will be no school during this period.
The last day of school is May 20, 2027, with dismissal at 1:00 p.m.
Fair Break is August 27-28, 2026. There will be no school on these days.
Lamar R-1 School will be closed for Labor Day on September 7, 2026.
Parent Conferences are October 27-29, 2026. Conferences on October 27 and 28 are from 3:30-6:30 p.m. with regular dismissal. On October 29, conferences are from 1:15-3:00 p.m. and students dismiss at 1:00 p.m.
There will be no school on January 18, 2027 for Martin Luther King Jr. Day.
There will be no school on February 15, 2027 for Presidents Day.
Easter Break is March 26-29, 2027. There will be no school during the break.
Graduation is scheduled for May 23, 2027.
All Staff Professional Development is August 18-21, 2026. Additional Professional Development days are January 4, 2027 and May 21, 2027.
Classes resume on January 5, 2027.
April 19, 2027 is designated as a make-up day, and additional make-up days are scheduled for May 21-27, 2027.
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Other Missouri school district calendars — recently added or updated.