MDUSD is a suburban school district with 52 schools. For the 2026-2027 school year, classes begin August 6 and end June 2. This calendar includes 1 professional development day — useful to know when planning childcare.
Also known as MDUSD.
Schools in Mt. Diablo Unified School District
Crossroads High (High)
Diablo View Middle (Middle)
Cambridge Elementary (Elementary)
Gregory Gardens Elementary (Elementary)
Ayers Elementary (Elementary)
Bancroft Elementary (Elementary)
Bel Air Elementary (Elementary)
College Park High (High)
Concord High (High)
El Dorado Middle (Middle)
El Monte Elementary (Elementary)
Fair Oaks Elementary (Elementary)
Foothill Middle (Middle)
Hidden Valley Elementary (Elementary)
Highlands Elementary (Elementary)
Holbrook Language Academy (Elementary)
Meadow Homes Elementary (Elementary)
Monte Gardens Elementary (Elementary)
Mountain View Elementary (Elementary)
Mt. Diablo Elementary (Elementary)
Mt. Diablo High (High)
Northgate High (High)
Oak Grove Middle (Middle)
Olympic Continuation High (High)
Pine Hollow Middle (Middle)
Sunrise (Special Education) (Elementary)
Pleasant Hill Elementary (Elementary)
Riverview Middle (Middle)
Shore Acres Elementary (Elementary)
Silverwood Elementary (Elementary)
Strandwood Elementary (Elementary)
Sun Terrace Elementary (Elementary)
Valhalla Elementary (Elementary)
Valle Verde Elementary (Elementary)
Valley View Middle (Middle)
Walnut Acres Elementary (Elementary)
Westwood Elementary (Elementary)
Woodside Elementary (Elementary)
Wren Avenue Elementary (Elementary)
Ygnacio Valley Elementary (Elementary)
Ygnacio Valley High (High)
Pleasant Hill Middle (Middle)
Sequoia Elementary (Elementary)
Diablo Community Day (High)
Eagle Peak Montessori (Elementary)
Sequoia Middle (Middle)
Rio Vista Elementary (Elementary)
Horizons School: Independent Study (Other)
Prospect High (Continuation) (High)
Delta View Elementary (Elementary)
MDUSD Preschools (Elementary)
Glenbrook Academy (High)
Mt. Diablo Unified School District 2026-2027 School Calendar
All schools
2026-07-03 — Independence Day (Observed) (closed)
2026-07-30 to 2026-07-31 — New Staff Orientation (closed)
2026-08-03 to 2026-08-05 — All Teacher In-Service Day- Non Student Day (closed)
2026-08-06 — First Student Day (in session)
2026-09-07 — Labor Day (closed)
2026-10-02 — End of 1st Quarter (in session)
2026-10-05 to 2026-10-09 — Fall Recess (closed)
2026-10-12 — Indigenous Peoples Day (closed)
2026-10-26 — Teacher In Service- Non Student Day (closed)
2026-10-30 — End of 1st Trimester (in session)
2026-11-02 to 2026-11-13 — Caregiver Conferences (TK-5th Grade) (closed)
2026-11-11 — Veterans Day (closed)
2026-11-23 to 2026-11-27 — School Recess (closed)
2026-11-26 — Thanksgiving Day (closed)
2026-11-27 — Board Holiday (closed)
2026-12-18 — End of 1st Semester/End of 2nd Quarter (in session)
2026-12-21 to 2027-01-01 — Winter Recess (closed)
2026-12-25 — Christmas Holiday (closed)
2027-01-01 — New Year's Day (closed)
2027-01-18 — Martin Luther King Day (closed)
2027-02-15 — Presidents Day (closed)
2027-02-26 — End of Trimester 2 (in session)
2027-03-12 — End of 3rd Quarter (in session)
2027-03-15 — All Teacher In-Service Day- Non Student Day (closed)
2027-04-02 — Farmworkers Day (closed)
2027-04-05 to 2027-04-12 — Spring Recess (closed)
2027-04-09 — Board Holiday (closed)
2027-05-31 — Memorial Day (closed)
2027-06-02 — Last Student Day (in session)
2027-06-02 — End of 2nd Semester/ 4th Quarter/ 3rd Trimester (in session)