Sumner-Bonney Lake School District School Calendar 2026-2027

At a Glance

SBLSD is a suburban school district with 15 schools. For the 2026-2027 school year, classes begin September 1 and end June 17. Calendar dates are confirmed for part of the year; the rest of the 2026-2027 calendar isn't available yet — check back soon. The calendar sets aside 4 additional days (February 12–June 22) that may be used as weather makeup days if needed. This calendar includes 7 early-release or half days — useful to know when planning childcare.

Source: Sumner-Bonney Lake School District

Also known as SBLSD.

Schools in Sumner-Bonney Lake School District

Liberty Ridge Elementary (Elementary)
Bonney Lake Elementary (Elementary)
Maple Lawn Elementary (Elementary)
Donald Eismann Elementary (Elementary)
Sumner High School (High)
Sumner Middle School (Middle)
Lakeridge Middle School (Middle)
Victor Falls Elementary (Elementary)
Emerald Hills Elementary (Elementary)
Mountain View Middle School (Middle)
Crestwood Elementary (Elementary)
Daffodil Valley Elementary (Elementary)
Bonney Lake High School (High)
Sumner Special Services (Prekindergarten)
Tehaleh Heights Elementary School (Elementary)

Sumner-Bonney Lake School District 2026-2027 School Calendar

All schools

2026-09-01 — First Day of School (Grades 1-12) (in session)
2026-09-04 — No School: Labor Day Weekend (closed)
2026-09-07 — No School: Labor Day Weekend (closed)
2026-09-08 — First day of kindergarten (in session)
2026-10-16 — No School, Staff Training Day (closed)
2026-11-11 — No School (Veterans Day Holiday) (closed)
2026-11-25 to 2026-11-27 — No School (Thanksgiving Break) (closed)
2026-12-21 to 2027-01-01 — No School (Winter Break) (closed)
2027-01-18 — No School (Martin Luther King Jr Day Holiday) (closed)
2027-01-28 — Building Bridges Title 1 Night (in session)
2027-02-12 — Emergency Make-Up Day (if needed) (closed)
2027-02-15 — No School (Presidents Day Holiday) (closed)
2027-02-20 — STEM Fair & Art Show (in session)
2027-03-27 — Community Cultural Celebration (in session)
2027-04-05 to 2027-04-09 — No School (Spring Break) (closed)
2027-05-28 — Emergency Make-Up Day (if needed) (closed)
2027-05-31 — No School (Memorial Day Holiday) (closed)
2027-06-11 — Graduation: BLHS & SHS (in session)
2027-06-17 — Last Day of School (in session)
2027-06-18 — No School, if in session (Juneteenth) (closed)
2027-06-21 — Emergency Make-Up Day (if needed) (closed)
2027-06-22 — Emergency Make-Up Day (if needed) (closed)

Elementary schools

2026-11-16 — No Elementary School: Grading Day (closed)
2026-11-18 — Elementary Early Dismissal (Conferences) (partial)
2026-11-19 — Elementary Early Dismissal (Conferences) (partial)
2026-11-20 — Elementary Early Dismissal (Conferences) (partial)
2026-11-24 — Elementary Early Dismissal (Conferences) (partial)
2027-03-24 — Elementary Early Dismissal (Conferences) (partial)
2027-03-25 — Elementary Early Dismissal (Conferences) (partial)

Middle and High schools

2026-11-10 — Middle/High School Half Day: Conferences (partial)
2027-01-29 — No Middle and High School: Grading Day (closed)

Bonney Lake High School

2026-10-02 — BLHS Homecoming (in session)

Sumner High School

2026-10-09 — SHS Homecoming (in session)