2026-27 Lake Oswego School District Calendar

July 2026

• LOSD: Independence Day (Obs.)

  Fri, Jul 3, 2026

  Holiday: Independence Day (obs.)

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

August 2026

• LOSD: Teacher Professional Day

  Mon, Aug 31, 2026 - Tue, Sep 1, 2026

  Teacher Professional Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

September 2026

• LOSD: Teacher Work/Inservice Days

  Wed, Sep 2, 2026 - Fri, Sep 4, 2026

  Teacher Work/Inservice Days

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Labor Day

  Mon, Sep 7, 2026

  Holiday: Labor Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: School Starts

  Tue, Sep 8, 2026

  School Starts

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Sep 10, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Sep 17, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Sep 24, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

October 2026

• LOSD: Early Release for PLCs

  Thu, Oct 1, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Dismissal: HS Assessment

  Wed, Oct 7, 2026

  Early Dismissal: HS Assessment

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Oct 8, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Oct 15, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Oct 22, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Elem Work Day

  Fri, Oct 23, 2026

  No School: Elem Work Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Oct 29, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Elem, MS Conferences

  Thu, Oct 29, 2026 - Fri, Oct 30, 2026

  No School: Elem, MS Conferences

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

November 2026

• LOSD: Early Release for PLCs

  Thu, Nov 5, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, HS Grade Prep

  Fri, Nov 6, 2026

  No School: HS Grade Prep

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Veterans Day

  Wed, Nov 11, 2026

  Holiday: Veterans Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Nov 12, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Nov 19, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Non-Paid Day

  Mon, Nov 23, 2026 - Wed, Nov 25, 2026

  No School: Non-Paid Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Thanksgiving

  Thu, Nov 26, 2026

  Holiday: Thanksgiving

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Non-Paid Day

  Fri, Nov 27, 2026

  No School: Non-Paid Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

December 2026

• LOSD: Early Release for PLCs

  Thu, Dec 3, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Dec 10, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, MS Grade Prep

  Fri, Dec 11, 2026

  No School: MS Grade Prep

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Dec 17, 2026

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Winter Break

  Mon, Dec 21, 2026 - Thu, Dec 31, 2026

  No School: Winter Break

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

January 2027

• LOSD: No School, New Year

  Fri, Jan 1, 2027

  Holiday: New Year

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: School Resumes

  Mon, Jan 4, 2027

  School Resumes

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Jan 7, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Jan 14, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Martin Luther King Jr. Day

  Mon, Jan 18, 2027

  Holiday: Martin Luther King Jr. Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Jan 21, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Jan 28, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

February 2027

• LOSD: Early Release for PLCs

  Thu, Feb 4, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Elem, HS Grade Prep

  Fri, Feb 5, 2027

  No School: Elem, HS Grade Prep

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Feb 11, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Presidents' Day

  Mon, Feb 15, 2027

  Holiday: Presidents' Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Feb 18, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Feb 25, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

March 2027

• LOSD: Early Release for PLCs

  Thu, Mar 4, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Mar 11, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Mar 18, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, MS Grade Prep

  Fri, Mar 19, 2027

  No School: MS Grade Prep

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Spring Break

  Mon, Mar 22, 2027 - Fri, Mar 26, 2027

  No School: Spring Break

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

April 2027

• LOSD: Early Release for PLCs

  Thu, Apr 1, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Apr 8, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Elem Work Day

  Fri, Apr 9, 2027

  No School: Elem Work Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Apr 15, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Elem, MS Conferences

  Thu, Apr 15, 2027 - Fri, Apr 16, 2027

  No School: Elem, MS Conferences

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, HS Grade Prep

  Fri, Apr 16, 2027

  No School: HS Grade Prep

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Apr 22, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Apr 29, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

May 2027

• LOSD: Early Release for PLCs

  Thu, May 6, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, May 13, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, May 20, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, May 27, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Memorial Day

  Mon, May 31, 2027

  Holiday: Memorial Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

June 2027

• LOSD: Early Release for PLCs

  Thu, Jun 3, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: No School, Elem Grade Prep

  Fri, Jun 4, 2027

  No School: Elem Grade Prep

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Release for PLCs

  Thu, Jun 10, 2027

  Early Release for PLCs

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Early Dismissal: Last Day of Classes

  Thu, Jun 17, 2027

  Early Dismissal: Last Day of Classes

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Juneteenth (Obs.)

  Fri, Jun 18, 2027

  Holiday: Juneteenth (obs.)

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Weather Make-Up Days (If Needed)

  Mon, Jun 21, 2027 - Thu, Jun 24, 2027

  Weather Make-up Days (if needed)

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.

• LOSD: Teacher Work Day

  Mon, Jun 21, 2027

  Teacher Work Day

  Created from the 2026-27 Lake Oswego School District Calendar, Lake Oswego, OR.