Owasso Public Schools School Calendar 2026-2027

At a Glance

OSD is a suburban school district with 13 schools. For the 2026-2027 school year, classes begin August 13 and end May 28. This calendar includes 2 professional development days — useful to know when planning childcare. The last day of school is weather-contingent, ranging from March 12 to May 28 depending on how many built-in weather makeup days are used.

Also known as OSD.

Schools in Owasso Public Schools

ATOR ES (Elementary)
BARNES ES (Elementary)
OWASSO HS (High)
OWASSO 7TH GRADE CTR (Middle)
MILLS ES (Elementary)
LARKIN BAILEY ES (Elementary)
HAYWARD SMITH ES (Elementary)
OWASSO 6TH GRADE CTR (Middle)
NORTHEAST ES (Elementary)
STONE CANYON ES (Elementary)
LUCILLE ELLINGWOOD MORROW ES (Elementary)
PAMELA HODSON ES (Elementary)
OWASSO 8TH GRADE CTR (Middle)

Owasso Public Schools 2026-2027 School Calendar

All schools

2026-08-13 — First Day of School (in session)
2026-09-07 — Labor Day* (closed)
2026-09-08 — District Collaboration Day* (closed)
2026-10-09 — End of First Quarter (in session)
2026-10-12 — District Collaboration Day* (closed)
2026-10-13 — Teacher Professional Development* (closed)
2026-10-14 — Parent-Teacher Conference Exchange Date* (closed)
2026-10-15 to 2026-10-16 — Fall Break* (closed)
2026-11-23 to 2026-11-27 — Thanksgiving Break* (closed)
2026-12-18 — End of Second Quarter (in session)
2026-12-21 to 2027-01-01 — Winter Break* (closed)
2027-01-04 — District Collaboration Day* (closed)
2027-01-05 — Second Semester Begins (in session)
2027-01-18 — Martin Luther King Jr. Day* (closed)
2027-01-19 — Teacher Professional Development* (closed)
2027-02-15 — Presidents' Day* (closed)
2027-03-12 — End of 3rd Quarter (in session)
2027-03-15 to 2027-03-19 — Spring Break* (closed)
2027-03-22 — District Collaboration Day* (closed)
2027-04-23 — Parent-Teacher Conference Exchange Date* (closed)
2027-05-18 — Class of 2027 Commencement (in session)
2027-05-28 — Last Day of School (in session)
2027-05-31 — Memorial Day* (closed)
2027-03-12 — Inclement Weather Day (closed)
2027-04-09 — Inclement Weather Day (closed)
2027-04-26 — Inclement Weather Day (closed)
2027-05-27 — Inclement Weather Day (closed)
2027-05-28 — Inclement Weather Day (closed)