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Official School Calendar for Academic Year 2026–2027
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Lake Oswego School District Calendar (2026-2027)
Calendar by educounty.net
| Date | Event |
|---|---|
| Jul 3, 2026 | Holiday: Independence Day (obs.) |
| Aug 31, 2026 | Teacher Professional Day |
| Sep 1, 2026 | Teacher Professional Day |
| Sep 2-4, 2026 | Teacher Work/Inservice Days |
| Sep 7, 2026 | Holiday: Labor Day |
| Sep 8, 2026 | School Starts |
| Oct 7, 2026 | Early Dismissal: HS Assessment |
| Oct 23, 2026 | No School: Elem Work Day |
| Oct 29-30, 2026 | No School: Elem, MS Conferences |
| Nov 6, 2026 | No School: HS Grade Prep |
| Nov 11, 2026 | Holiday: Veterans Day |
| Nov 23-25, 2026 | No School: Non-Paid Day |
| Nov 26, 2026 | Holiday: Thanksgiving |
| Nov 27, 2026 | No School: Non-Paid Day |
| Dec 11, 2026 | No School: MS Grade Prep |
| Dec 21-31, 2026 | No School: Winter Break |
| Jan 1, 2027 | Holiday: New Year |
| Jan 4, 2027 | School Resumes |
| Jan 18, 2027 | Holiday: Martin Luther King Jr. Day |
| Feb 5, 2027 | No School: Elem, HS Grade Prep |
| Feb 15, 2027 | Holiday: Presidents’ Day |
| Mar 19, 2027 | No School: MS Grade Prep |
| Mar 22-26, 2027 | No School: Spring Break |
| Apr 9, 2027 | No School: Elem Work Day |
| Apr 15-16, 2027 | No School: Elem, MS Conferences |
| Apr 16, 2027 | No School: HS Grade Prep |
| May 31, 2027 | Holiday: Memorial Day |
| Jun 4, 2027 | No School: Elem Grade Prep |
| Jun 17, 2027 | Early Dismissal: Last Day of Classes |
| Jun 18, 2027 | Holiday: Juneteenth (obs.) |
| Jun 21, 2027 | Teacher Work Day |
| Jun 22-23, 2027 | Weather Make-up Days (if needed) |
Lake Oswego School District Calendar 2026-2027 – Frequently Asked Questions
When is the first day of school in Lake Oswego School District for 2026-2027?
The first day of school for the 2026-2027 school year in Lake Oswego School District is September 8, 2026.
When is Spring Break in Lake Oswego School District 2026-2027?
Spring Break in Lake Oswego School District runs from March 22 through March 26, 2027.
When is Christmas Break in Lake Oswego School District 2026-2027?
Christmas Break is part of Winter Break and begins on December 21, 2026. Schools remain closed through December 31, 2026.
When is Winter Break in Lake Oswego School District 2026-2027?
Winter Break in Lake Oswego School District is scheduled from December 21, 2026 through December 31, 2026. School resumes on January 4, 2027.
When is Thanksgiving break in Lake Oswego School District 2026-2027?
Thanksgiving break includes non-paid days from November 23–25, 2026, with Thanksgiving Day observed on November 26, 2026. There is also no school on November 27, 2026.
When is the last day of school in Lake Oswego School District 2026-2027?
The last day of classes for students in Lake Oswego School District is June 17, 2027, which is an early dismissal day.
When does school resume after Winter Break in 2026-2027?
School resumes on January 4, 2027 following Winter Break.
When is Labor Day in the Lake Oswego School District 2026-2027 calendar?
Labor Day is observed on September 7, 2026, and there is no school on this day.
When is Memorial Day in Lake Oswego School District 2026-2027?
Memorial Day is observed on May 31, 2027, and schools are closed.
Are there any weather make-up days scheduled for 2026-2027?
Yes, weather make-up days are scheduled for June 22–23, 2027 if needed.
Calendar Disclaimer
Dates are sourced from the official Lake Oswego School District, OR Calendar 26-27 Updated [PDF] website. Dates may change at the discretion of the district. Always verify with the official school website for the latest updates.
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