Orland SD 135 School Calendar 2026-2027

At a Glance

OSD is a suburban school district with 10 schools. The first day of school is August 19. Orland School District 135, based in Orland Park, IL, serves more than 5,000 students in grades Pre-K through 8th across 10 schools, and traces its history back to 1849. This calendar includes 5 professional development days, 8 early-release or half days — useful to know when planning childcare.

Source: Orland SD 135

Also known as OSD.

Schools in Orland SD 135

Century Junior High School (Middle)
Meadow Ridge School (Elementary)
Orland Park Elem School (Elementary)
Liberty Elem School (Elementary)
Orland Jr High School (Middle)
High Point Elem School (Elementary)
Prairie Elem School (Elementary)
Orland Center School (Elementary)
Jerling Junior High School (Middle)
Centennial School (Elementary)

Orland SD 135 2026-2027 School Calendar

All schools

2026-08-17 — Institutes (closed)
2026-08-18 — Institutes (closed)
2026-08-19 — School Begins (in session)
2026-07-04 — Independence Day (closed)
2026-09-07 — Labor Day (closed)
2026-09-04 — Professional Learning Day (partial)
2026-10-12 — Columbus Day (closed)
2026-10-08 — Institutes (closed)
2026-11-02 — Not in Attendance (closed)
2026-11-16 — Full-Day P/T Conference (closed)
2026-11-17 — Full-Day P/T Conference (closed)
2026-11-19 — Not in Attendance (closed)
2026-11-26 — Thanksgiving Day (closed)
2026-11-23 — Not in Attendance (closed)
2026-11-23 to 2026-11-25 — Not in Attendance (closed)
2026-11-27 — Not in Attendance (closed)
2026-11-20 — Professional Learning Day (partial)
2026-12-22 — Not in Attendance (partial)
2026-12-23 to 2027-01-02 — Christmas Day / Winter Break (closed)
2026-12-25 — Christmas Day (closed)
2027-01-01 — New Year's Day (closed)
2027-01-04 — Not in Attendance (closed)
2027-01-05 — Not in Attendance (closed)
2027-01-18 — M.L. King's Birthday (closed)
2027-01-14 — Full-Day P/T Conference (closed)
2027-02-12 — Professional Learning Day (partial)
2027-02-15 — Presidents' Day (closed)
2027-03-01 — Casimir Pulaski Day (closed)
2027-03-08 — Not in Attendance (closed)
2027-03-22 — Not in Attendance (closed)
2027-03-23 — Not in Attendance (closed)
2027-03-24 — Not in Attendance (closed)
2027-03-25 — Not in Attendance (closed)
2027-03-26 — Not in Attendance (closed)
2027-03-22 to 2027-03-26 — Spring Break (closed)
Date to be confirmed — Professional Learning Day (partial)
2027-05-28 — Professional Learning Day (partial)
2027-05-31 — Memorial Day (closed)
2027-06-19 — Juneteenth (closed)
2027-05-28 — Last Day of School (partial)
2026-08-20 — Institutes (closed)
2026-11-19 — End of Trimester Period (in session)
2027-02-26 — End of Trimester Period (in session)
2027-05-28 — End of Trimester Period (partial)
Date to be confirmed — End of Quarter Period (in session)
Date to be confirmed — 5 Emergency Days - proposed (closed)