Centennial School District 28J Calendar 2026–2027
Oregon (Multnomah County) · 22 key dates
September 2026
Wed, Sep 2First Day of School (Grades 1-12 and K, last names A-L)
Thu, Sep 3First Day of School (Kindergarten, last names M-Z)
Mon, Sep 7Labor Day (no school)
Tue, Sep 8First Day of School (All PreK and K)
October 2026
Fri, Oct 9Staff Development Day (no school)
November 2026
Fri, Nov 6Mid-Semester & Conference Prep (no school)
Nov 9 – Nov 10Conferences (no school)
Wed, Nov 11Veterans Day (no school)
Thu, Nov 26Thanksgiving (no school)
Fri, Nov 27Non-Work Day (no school)
December 2026
Dec 21 – Jan 1Winter Break (no school)
January 2027
Mon, Jan 18Martin Luther King Jr Day (no school)
February 2027
Mon, Feb 15Presidents' Day (no school)
Thu, Feb 25Report Card & Semester 2 Prep (no school)
March 2027
Mar 22 – Mar 26Spring Break (no school)
April 2027
Wed, Apr 7Mid-Semester & Conference Prep (no school, high school only)
Apr 8 – Apr 9Conferences (no school, high school only)
Wed, Apr 28Instructional Collaboration & Conference Prep (no school, PreK-8)
Apr 29 – Apr 30Conferences (no school)
May 2027
Mon, May 3Staff Development Day (no school)
Mon, May 31Memorial Day (no school)
June 2027
Fri, Jun 11Last Day of School (Grades PreK-11, half day)
Compiled from the district's published calendar and subject to change — always verify against the official Centennial SD 28J calendar.