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Lake Oswego School District OR Calendar 26-27

  • 2026/27
  • Oregon
  • 6 teacher days

The Lake Oswego School District 2026–27 school year runs from Sep 8, 2026 to Jun 17, 2027. Breaks include Thanksgiving break Nov 26, winter break Dec 21-31, and spring break Mar 22-26. The table below lists all teacher workdays, early release days, and holidays. Download the PDF calendar, or read the FAQs.

School year starts Tue, Sep 8, 2026 School Starts
School year ends Thu, Jun 17, 2027 Early Dismissal: Last Day of Classes
Next key date Tue, Sep 8, 2026 Counts down once the school year is under way

Lake Oswego School District 2026-27 calendar

Select a thumbnail to open it full size, zoom in, or download it.

Lake Oswego School District school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Early release / half day
  • Parent-teacher conference
  • Weather make-up day
  • Other scheduled date

August 2026

  • Aug 31, 2026 — Teacher Professional Day

September 2026

  • 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

October 2026

  • Oct 7, 2026 — Early Dismissal: HS Assessment
  • Oct 23, 2026 — No School: Elem Work Day
  • Oct 29-30, 2026 — No School: Elem, MS Conferences

November 2026

  • 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

December 2026

  • Dec 11, 2026 — No School: MS Grade Prep
  • Dec 21-31, 2026 — No School: Winter Break

January 2027

  • Jan 1, 2027 — Holiday: New Year
  • Jan 4, 2027 — School Resumes
  • Jan 18, 2027 — Holiday: Martin Luther King Jr. Day

February 2027

  • Feb 5, 2027 — No School: Elem, HS Grade Prep
  • Feb 15, 2027 — Holiday: Presidents' Day

March 2027

  • Mar 19, 2027 — No School: MS Grade Prep
  • Mar 22-26, 2027 — No School: Spring Break

April 2027

  • 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 2027

  • May 31, 2027 — Holiday: Memorial Day

June 2027

  • 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)

July 2027

Lake Oswego School District teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Aug 31, 2026 Teacher Professional Day District source
  • Sep 1, 2026 Teacher Professional Day District source
  • Sep 2-4, 2026 Teacher Work/Inservice Days District source
  • Oct 23, 2026 No School: Elem Work Day District source
  • Apr 9, 2027 No School: Elem Work Day District source
  • Jun 21, 2027 Teacher Work Day District source

Lake Oswego School District breaks and holidays

School is closed to students on these dates.

  • Jul 3, 2026 Holiday: Independence Day (obs.) Holiday
  • Sep 7, 2026 Holiday: Labor Day Holiday
  • Nov 6, 2026 No School: HS Grade Prep Holiday
  • Nov 11, 2026 Holiday: Veterans Day Holiday
  • Nov 23-25, 2026 No School: Non-Paid Day Holiday
  • Nov 26, 2026 Holiday: Thanksgiving Holiday
  • Nov 27, 2026 No School: Non-Paid Day Holiday
  • Dec 11, 2026 No School: MS Grade Prep Holiday
  • Dec 21-31, 2026 No School: Winter Break Break
  • Jan 1, 2027 Holiday: New Year Holiday
  • Jan 18, 2027 Holiday: Martin Luther King Jr. Day Holiday
  • Feb 5, 2027 No School: Elem, HS Grade Prep Holiday
  • Feb 15, 2027 Holiday: Presidents' Day Holiday
  • Mar 19, 2027 No School: MS Grade Prep Holiday
  • Mar 22-26, 2027 No School: Spring Break Break
  • Apr 16, 2027 No School: HS Grade Prep Holiday
  • May 31, 2027 Holiday: Memorial Day Holiday
  • Jun 4, 2027 No School: Elem Grade Prep Holiday

Your checked 2026/27 Lake Oswego School District planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now32 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated February 25, 2026.
Full term dates table

Lake Oswego School District, OR 2026–27 calendar dates

DateEvent
Jul 3, 2026Holiday: Independence Day (obs.)
Aug 31, 2026Teacher Professional Day
Sep 1, 2026Teacher Professional Day
Sep 2-4, 2026Teacher Work/Inservice Days
Sep 7, 2026Holiday: Labor Day
Sep 8, 2026School Starts
Oct 7, 2026Early Dismissal: HS Assessment
Oct 23, 2026No School: Elem Work Day
Oct 29-30, 2026No School: Elem, MS Conferences
Nov 6, 2026No School: HS Grade Prep
Nov 11, 2026Holiday: Veterans Day
Nov 23-25, 2026No School: Non-Paid Day
Nov 26, 2026Holiday: Thanksgiving
Nov 27, 2026No School: Non-Paid Day
Dec 11, 2026No School: MS Grade Prep
Dec 21-31, 2026No School: Winter Break
Jan 1, 2027Holiday: New Year
Jan 4, 2027School Resumes
Jan 18, 2027Holiday: Martin Luther King Jr. Day
Feb 5, 2027No School: Elem, HS Grade Prep
Feb 15, 2027Holiday: Presidents' Day
Mar 19, 2027No School: MS Grade Prep
Mar 22-26, 2027No School: Spring Break
Apr 9, 2027No School: Elem Work Day
Apr 15-16, 2027No School: Elem, MS Conferences
Apr 16, 2027No School: HS Grade Prep
May 31, 2027Holiday: Memorial Day
Jun 4, 2027No School: Elem Grade Prep
Jun 17, 2027Early Dismissal: Last Day of Classes
Jun 18, 2027Holiday: Juneteenth (obs.)
Jun 21, 2027Teacher Work Day
Jun 22-23, 2027Weather 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.

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Lake Oswego School District calendar FAQs

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.

Dates can change after publication. Read our calendar disclaimer.