Regional School Unit 21 (RSU 21) Calendar 2026-2027
Complete holiday schedule and key dates for Regional School Unit 21 (RSU 21) for the 2026-2027 academic year. Official district website
School Year Timeline
Key Dates
| Event | Date(s) | Status |
|---|---|---|
| Labor Day Observed | September 7, 2026 (Mon) | No School |
| Indigenous Peoples’ Day | October 12, 2026 (Mon) | No School |
| Veterans’ Day Observed | November 11, 2026 (Wed) | No School |
| Martin Luther King Day | January 18, 2027 (Mon) | No School |
| Memorial Day | May 31, 2027 (Mon) | No School |
| Last Day of School | June 14, 2027 (Mon) | School Closes |
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Extended Time Off
| Window | Date(s) | Length |
|---|---|---|
| Labor Day Observed Window | Sep 4–7, 2026Districtwide no-school: Sep 4, 2026; Sep 7, 2026 · Adjacent weekend: Sep 5–6, 2026 | 4 days |
| Indigenous Peoples’ Day Window | Oct 9–12, 2026Districtwide no-school: Oct 9, 2026; Oct 12, 2026 · Adjacent weekend: Oct 10–11, 2026 | 4 days |
| Student Holiday Window | Nov 25–29, 2026Districtwide no-school: Nov 25–27, 2026 · Adjacent weekend: Nov 28–29, 2026 | 5 days |
| Student Holiday Window | Dec 23, 2026–Jan 3, 2027Districtwide no-school: Dec 23, 2026–Jan 1, 2027 · Adjacent weekend: Jan 2–3, 2027 | 12 days |
| Student Holiday Window | Feb 13–21, 2027Districtwide no-school: Feb 15–19, 2027 · Adjacent weekend: Feb 13–14, 2027; Feb 20–21, 2027 | 9 days |
| Student Holiday Window | Apr 16–25, 2027Districtwide no-school: Apr 16, 2027; Apr 19–23, 2027 · Adjacent weekend: Apr 17–18, 2027; Apr 24–25, 2027 | 10 days |
Other Important Dates
| Event | Date(s) |
|---|---|
| Quarter 1 ends (Students following quarter reporting periods) | October 30, 2026 (Fri) |
| Trimester 1 ends (Students following trimester reporting periods) | November 27, 2026 (Fri) |
| Quarter 2 ends (Students following quarter reporting periods) | January 22, 2027 (Fri) |
| Trimester 2 ends (Students following trimester reporting periods) | March 12, 2027 (Fri) |
| Quarter 3 ends (Students following quarter reporting periods) | April 2, 2027 (Fri) |
| Anticipated KHS Graduation (Kennebunk High School graduating seniors and families) | June 13, 2027 (Sun) |
| Quarter 4 ends (Students following quarter reporting periods) | June 14, 2027 (Mon) |
| Trimester 3 ends (Students following trimester reporting periods) | June 14, 2027 (Mon) |
Regional School Unit 21 (RSU 21) Calendar 2026-2027 maineschoolcalendar.com
View the full 2026-2027 school year by month.
Monthly calendar12 months
Regional School Unit 21 (RSU 21)
Regional School Unit 21 (RSU 21) serves Kennebunk, Kennebunkport, and Arundel through community elementary schools, Middle School of the Kennebunks, and Kennebunk High School. Kennebunk High is an authorized International Baccalaureate (IB) World School offering the prestigious IB Diploma Programme.
The district provides dedicated transition resources for military-connected families, manages in-district transfer requests, and publishes detailed nutrition and transportation guides to support daily student routines.
Compared With Related Districts
Selected highlights from this district calendar and related district calendar pages.
Regional School Unit 21 (RSU 21) lists Student Holiday as 8 weekdays off. This named block is worth tracking separately for childcare, appointments, travel, and shared household calendars.
Regional School Unit 21 (RSU 21) lists 9 teacher, planning, or student-holiday items beyond the headline break periods.
Compare key dates with other districts
Choose one or two related districts to line up major planning dates with Regional School Unit 21 (RSU 21).
Related Links
About This Calendar
Data Source: 2026-2027 Instructional Calendar — Regional School Unit 21 - Kennebunk, Kennebunkport, and Arundel — Board approved: 3/2/26 How we verify dates
Disclaimer: This website is not affiliated with Regional School Unit 21 (RSU 21), any state education authority, or any official district body. While we strive for accuracy, always verify important dates with the official district website.