For the 2026–2027 school year, the district serves 2,600 students across 8 schools in Maine. The school year starts August 26, 2026, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Regional School Unit 18 before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Regional School Unit 18. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Regional School Unit 18's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Regional School Unit 18 RSU18.
Sources and Checks
Where these dates come from
How the 2026–2027 Regional School Unit 18 calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Regional School Unit 18 published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against rsu18.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 Regional School Unit 18 before booking around a date.
Common Questions
Frequently Asked Questions
Regional School Unit 18 Calendar 2026–2027 — important dates and answers.
The first day of school for students in Regional School Unit 18 is August 26, 2026.
Spring break in Regional School Unit 18 will take place from April 19 to April 23, 2027.
Christmas break starts on December 23, 2026 and continues through January 1, 2027.
Winter break is scheduled from February 15 to February 19, 2027.
Thanksgiving break will take place from November 24 to November 27, 2026.
The last day of school is June 14, 2027, and students will be dismissed early at 11:30 am.
Labor Day will be observed on September 7, 2026.
It will be observed on October 12, 2026.
Martin Luther King Jr. Day will be observed on January 18, 2027.
Memorial Day will be observed on May 31, 2027.
Early release days are September 15, 2026, December 8, 2026, March 2, 2027, and June 14, 2027.
Workshop days are August 24, 2026, August 25, 2026, October 9, 2026, January 25, 2027, March 12, 2027, and May 28, 2027.
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Recently Updated Calendars
Other Maine school district calendars — recently added or updated.