Centennial SD 28J School Calendar 2026-2027

At a Glance

CJSD is a suburban school district with 9 schools. For the 2026-2027 school year, classes begin September 2 and end June 4. Centennial SD 28J serves the east Portland area under the motto 'Collaborating in Community – Cultivating Equity – Inspiring Excellence,' and totals 192 licensed contractual days and 172 student days in 2026-27. The calendar sets aside 2 additional days (June 15–June 16) that may be used as weather makeup days if needed. This calendar includes 6 professional development days, 36 early-release or half days — useful to know when planning childcare.

Source: Centennial SD 28J

Also known as CJSD.

Schools in Centennial SD 28J

Meadows Elementary (Elementary)
Centennial Middle School (Middle)
Parklane Elementary School (Elementary)
Patrick Lynch Elementary (Elementary)
Powell Butte Elementary School (Elementary)
Pleasant Valley Elementary School (Elementary)
Centennial High School (High)
Butler Creek Elementary School (Elementary)
Oliver Middle (Middle)

Centennial SD 28J 2026-2027 School Calendar

All schools

2026-08-19 to 2026-08-20 — New Licensed Orientation – New Hires Only (closed)
2026-08-26 — NS/S: Staff Development: GR PreK-12 (closed)
2026-08-27 — NS/S: Staff Development: GR PreK-12 (closed)
2026-08-28 — Orientation: GR 6 & 9 ONLY (closed)
2026-08-28 — NS: Non-Work Day (closed)
2026-08-31 — NS/S: Staff Development: GR PreK-12 (closed)
2026-09-01 — NS/S: Staff Development: GR PreK-12 (closed)
2026-09-02 — S1: Semester 1 Begins / First Day of School: GR 1-12 & K (Last Name A-L) (in session)
2026-09-03 — First Day of School: GR K (Last Name M-Z) (in session)
2026-09-04 — NS: Kindergarten ONLY (closed)
2026-09-07 — NS: Holiday (closed)
2026-09-08 — First Day of School: All PreK & K (in session)
2026-09-09 — 1 Hour Late Start (partial)
2026-09-16 — 1 Hour Late Start (partial)
2026-09-23 — 1 Hour Late Start (partial)
2026-09-30 — 1 Hour Late Start (partial)
2026-10-07 — 1 Hour Late Start (partial)
2026-10-09 — NS/S: Staff Development: GR PreK-12 (closed)
2026-10-14 — 1 Hour Late Start (partial)
2026-10-21 — 1 Hour Late Start (partial)
2026-10-28 — 1 Hour Late Start (partial)
2026-11-04 — 1 Hour Late Start (partial)
2026-11-05 — S1*: Mid Semester 1 Mark (in session)
2026-11-06 — NS/P: Mid Semester Prep (6-12) & Inst Collab (PreK-5) & Conference Prep, PreK-12 (closed)
2026-11-09 — NS: Conferences, PreK-12 (closed)
2026-11-10 — NS: Conferences, PreK-12 (closed)
2026-11-11 — NS: Holiday (closed)
2026-11-18 — 1 Hour Late Start (partial)
2026-11-25 — 1 Hour Late Start (partial)
2026-11-26 — NS: Holiday (closed)
2026-11-27 — NS: Non-Work Day (closed)
2026-12-02 — 1 Hour Late Start (partial)
2026-12-09 — 1 Hour Late Start (partial)
2026-12-16 — 1 Hour Late Start (partial)
2026-12-21 to 2026-12-31 — NS: Winter Break (closed)
2027-01-01 — NS: Holiday (closed)
2027-01-04 — 1 Hour Late Start, PreK-12 (partial)
2027-01-06 — 1 Hour Late Start (partial)
2027-01-13 — 1 Hour Late Start (partial)
2027-01-18 — NS: Holiday (closed)
2027-01-20 — 1 Hour Late Start (partial)
2027-01-22 — Semester 1 Ends (in session)
2027-01-25 — NS/P: Report Card & Semester 2 Prep, PreK-12 (closed)
2027-01-26 — Semester 2 Begins (in session)
2027-01-27 — 1 Hour Late Start (partial)
2027-02-03 — 1 Hour Late Start (partial)
2027-02-10 — 1 Hour Late Start (partial)
2027-02-15 — NS: Holiday (closed)
2027-02-17 — 1 Hour Late Start (partial)
2027-02-24 — 1 Hour Late Start (partial)
2027-03-03 — 1 Hour Late Start (partial)
2027-03-10 — 1 Hour Late Start (partial)
2027-03-17 — 1 Hour Late Start (partial)
2027-03-22 to 2027-03-26 — NS: Spring Break (closed)
2027-03-31 — 1 Hour Late Start (partial)
2027-04-05 — S2*: Mid Semester 2 Mark (in session)
2027-04-07 — NS/P: Mid Semester Prep/Conference Prep – HIGH SCHOOL ONLY (closed)
2027-04-07 — 1 Hour Late Start (PreK-8) (partial)
2027-04-08 — NS: Conferences, HIGH SCHOOL ONLY (closed)
2027-04-09 — NS: Conferences, HIGH SCHOOL ONLY (closed)
2027-04-28 — NS/P: Inst Collab/Conference Prep – PreK-8 ONLY (closed)
2027-04-28 — 1 Hour Late Start (HS) (partial)
2027-04-29 — NS: Conferences, PreK-8 ONLY (closed)
2027-04-30 — NS: Conferences, PreK-8 ONLY (closed)
2027-05-03 — NS/S: Staff Development (closed)
2027-05-05 — 1 Hour Late Start (partial)
2027-05-12 — 1 Hour Late Start (partial)
2027-05-19 — 1 Hour Late Start (partial)
2027-05-26 — 1 Hour Late Start (partial)
2027-05-31 — NS: Holiday (closed)
2027-06-02 — 1 Hour Late Start (partial)
2027-06-04 — Last Day: GR 12 ONLY (CHS/CVA) (in session)
2027-06-09 — 1 Hour Late Start (partial)
2027-06-09 — Last Day: GR 8 ONLY (in session)
2027-06-09 — Senior Graduation (CHS/CVA) (in session)
2027-06-11 — Half Day Release: GR PreK-11, CTC/CVA, Semester 2 Report Prep, GR PreK-12 (partial)
2027-06-14 — NS: In-Service Day (closed)
2027-06-15 — Inclement Weather Make-Up (closed)
2027-06-16 — Inclement Weather Make-Up (closed)