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Lake Oswego School District 2026-2027 School Calendar Holidays, breaks, and no school days

Lake Oswego, OR

Next no-school day
Wednesday
November 11
Veterans Day
No-school days
25 weekdays
11 single days + 14 break days
First day
Tuesday
September 8
2026
Last day
Thursday
June 17
2027
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School year at a glance

First Day Last Day No School Break Some grades off Early Release Holiday School Day

Breaks and holidays

Is there school on Veterans Day?

Wed, Nov 11
No school

When is Thanksgiving break 2026?

Nov 23–27
9 days off with weekends

When is winter break 2026?

Dec 21 – Jan 1
16 days off with weekends

Is there school on Martin Luther King Jr. Day?

Mon, Jan 18
No school

Is there school on Presidents' Day?

Mon, Feb 15
No school

When is spring break 2027?

Mar 22–26
9 days off with weekends

All 2026-2027 dates

No-school days, breaks and schedule changes, month by month.

August 2026

  • Professional Development Day Monday, August 31st No school

September 2026

  • Professional Development Day Tuesday, September 1st No school
  • Professional Development Day Wednesday, September 2nd No school
  • Professional Development Day Thursday, September 3rd No school
  • Professional Development Day Friday, September 4th No school
  • Labor Day Monday, September 7th No school
  • First Day of School Tuesday, September 8th First day
  • Early Release Thursday, September 10th Early release
  • Early Release Thursday, September 17th Early release
  • Early Release Thursday, September 24th Early release

October 2026

  • Early Release Thursday, October 1st Early release
  • Early Release Wednesday, October 7th Early release
  • Early Release Thursday, October 8th Early release
  • Columbus Day Monday, October 12th · Not on the school calendar Federal holiday
  • Early Release Thursday, October 15th Early release
  • Early Release Thursday, October 22nd Early release
  • No School (Elementary only) Friday, October 23rd Some grades off
  • Early Release Thursday, October 29th Early release
  • Parent-Teacher Conferences (Elementary and Middle School only) Friday, October 30th Some grades off

November 2026

  • No School (High School only) Friday, November 6th Some grades off
  • Veterans Day Wednesday, November 11th · Federal holiday No school
  • Non-Paid Day Monday, November 23rd No school
  • Non-Paid Day Tuesday, November 24th No school
  • Non-Paid Day Wednesday, November 25th No school
  • Thanksgiving Thursday, November 26th · Federal holiday No school
  • Non-Paid Day Friday, November 27th No school

December 2026

  • No School (Middle School only) Friday, December 11th Some grades off
  • Winter Break Monday, December 21st – Thursday, December 31st · 9 school days off · Includes Christmas Day (federal holiday) Break

January 2027

  • New Year's Day Friday, January 1st · Federal holiday No school
  • Martin Luther King Jr. Day Monday, January 18th · Federal holiday No school

February 2027

  • No School (Elementary and High School only) Friday, February 5th Some grades off
  • Presidents' Day Monday, February 15th · Federal holiday No school

March 2027

  • No School (Middle School only) Friday, March 19th Some grades off
  • Spring Break Monday, March 22nd – Friday, March 26th · 5 school days off Break

April 2027

  • No School (Elementary only) Friday, April 9th Some grades off
  • Parent-Teacher Conferences (Elementary and Middle School only) Thursday, April 15th Some grades off
  • Parent-Teacher Conferences Friday, April 16th No school

May 2027

  • Memorial Day Monday, May 31st · Federal holiday No school

June 2027

  • No School (Elementary only) Friday, June 4th Some grades off
  • Last Day of School Thursday, June 17th Last day
  • Teacher Workday Monday, June 21st No school

Schools using this calendar

12 schools follow the Lake Oswego School District calendar.

Browse all schools (A–Z)
F
Forest Hills Elementary School
H
Hallinan Elementary SchoolHarmony Academy
L
Lake Grove Elementary SchoolLake Oswego Middle SchoolLake Oswego Senior High SchoolLakeridge High SchoolLakeridge Middle School
O
Oak Creek Elementary School
P
Palisades World Language School
R
River Grove Elementary School
W
Westridge Elementary School

Frequently Asked Questions

When is the first and last day of school at Lake Oswego School District in 2026-2027?
The first day of school at Lake Oswego School District is Tuesday, September 8, 2026. The last day of school is Thursday, June 17, 2027. That's a school year of about 40 weeks.
How many school days are in the 2026-2027 school year at Lake Oswego School District?
About 178 school days: the weekdays from the first day to the last day, minus days off.
How many days off does Lake Oswego School District have in 2026-2027?
About 25 weekdays with no school, not counting weekends or summer. That's 14 weekdays of breaks plus 11 single days off. There are also seven long weekends, where a Friday or Monday off joins the weekend.
What is the longest stretch of school without a day off?
Forty-six school days in a row (about nine weeks), from Tuesday, September 8 to Tuesday, November 10.
Does Lake Oswego School District have early-release or late-start days?
Yes, the 2026-2027 calendar has nine early-release days. They're marked on the calendar above.

Simple Schedule is not affiliated with Lake Oswego School District. Confirm important dates with the district or your school.

Source: Lake Oswego School District.

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