Jefferson County School District No. R-1 School Calendar 2026-2027

At a Glance

JCNRSD is a suburban school district with 163 schools. For the 2026-2027 school year, classes begin August 19 and end May 27. 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 3 additional days (February 12–April 30) that may be used as weather makeup days if needed. This calendar includes 1 early-release or half day — useful to know when planning childcare.

Also known as JCNRSD.

Schools in Jefferson County School District No. R-1

Alameda International Junior/Senior High School (High)
Arvada High School (High)
Arvada West High School (High)
Bear Creek K-8 School (Elementary)
Bear Creek High School (High)
Bell Middle School (Middle)
Belmar School of Integrated Arts (Elementary)
Bergen Meadow Primary School (Elementary)
Campbell Elementary School (Elementary)
Carmody Middle School (Middle)
Coal Creek Canyon K-8 Elementary School (Elementary)
Colorow Elementary School (Elementary)
Columbine Hills Elementary School (Elementary)
Columbine High School (High)
Creighton Middle School (Middle)
Dennison Elementary School (Elementary)
Devinny Elementary School (Elementary)
Drake Junior High School (Middle)
Dunstan Middle School (Middle)
Dutch Creek Elementary School (Elementary)
Edgewater Elementary School (Elementary)
Eiber Elementary School (Elementary)
Evergreen Middle School (Middle)
Evergreen High School (High)
Everitt Middle School (Middle)
Fairmount Elementary School (Elementary)
Foothills Elementary School (Elementary)
Foster Dual Language PK-8 (Elementary)
Fremont Elementary School (Elementary)
Glennon Heights Elementary School (Elementary)
Golden High School (High)
Green Gables Elementary School (Elementary)
Green Mountain Elementary School (Elementary)
Green Mountain High School (High)
Hackberry Hill Elementary School (Elementary)
Hutchinson Elementary School (Elementary)
Jefferson Junior/Senior High School (High)
Sheridan Green Elementary School (Elementary)
Ken Caryl Middle School (Middle)
Kendrick Lakes Elementary School (Elementary)
Kullerstrand Elementary School (Elementary)
Kyffin Elementary School (Elementary)
Lakewood High School (High)
Lasley Elementary School (Elementary)
Lawrence Elementary School (Elementary)
Leawood Elementary School (Elementary)
Little Elementary School (Elementary)
Lumberg Elementary School (Elementary)
Maple Grove Elementary School (Elementary)
Miller Special Education (Other)
Mitchell Elementary School (Elementary)
Molholm Elementary School (Elementary)
Normandy Elementary School (Elementary)
North Arvada Middle School (Middle)
Jefferson County Open Secondary (High)
Parmalee Elementary School (Elementary)
Parr Elementary School (Elementary)
Patterson International School (Elementary)
Peck Elementary School (Elementary)
Peiffer Elementary School (Elementary)
Peak Expeditionary - Pennington (Elementary)
Pomona High School (High)
Prospect Valley Elementary School (Elementary)
Ralston Elementary School (Elementary)
Red Rocks Elementary School (Elementary)
Secrest Elementary School (Elementary)
Sierra Elementary School (Elementary)
Slater Elementary School (Elementary)
Deane Elementary School (Elementary)
South Lakewood Elementary School (Elementary)
Emory Elementary School (Elementary)
Stober Elementary School (Elementary)
Stott Elementary School (Elementary)
Swanson Elementary School (Elementary)
Thomson Elementary School (Elementary)
Vanderhoof Elementary School (Elementary)
New Classical Academy at Vivian (Elementary)
West Jefferson Middle School (Middle)
Warder Elementary School (Elementary)
Warren Tech (High)
Weber Elementary School (Elementary)
Welchester Elementary School (Elementary)
West Jefferson Elementary School (Elementary)
Westgate Elementary School (Elementary)
Wheat Ridge High School (High)
Wilmore Davis Elementary School (Elementary)
Wilmot Elementary School (Elementary)
Bradford K8 North (Middle)
D'Evelyn Junior/Senior High School (High)
Jefferson Academy Elementary (Elementary)
Longview High School (High)
Mortensen Elementary School (Elementary)
Powderhorn Elementary School (Elementary)
Rooney Ranch Elementary School (Elementary)
Ryan Elementary School (Elementary)
Collegiate Academy of Colorado (Other)
Shelton Elementary School (Elementary)
Summit Ridge Middle School (Middle)
Van Arsdale Elementary School (Elementary)
Oberon Middle School (Middle)
Deer Creek Middle School (Middle)
Marshdale Elementary School (Elementary)
Moore Middle School (Middle)
Witt Elementary School (Elementary)
Kendallvue Elementary School (Elementary)
Chatfield High School (High)
Mandalay Middle School (Middle)
Stony Creek Elementary School (Elementary)
Shaffer Elementary School (Elementary)
Adams Elementary School (Elementary)
Coronado Elementary School (Elementary)
Governor's Ranch Elementary School (Elementary)
Ute Meadows Elementary School (Elementary)
Westridge Elementary School (Elementary)
Lukas Elementary School (Elementary)
Standley Lake High School (High)
Elk Creek Elementary School (Elementary)
Excel Academy Charter School (Elementary)
Conifer Senior High School (High)
Dakota Ridge Senior High School (High)
Mount Carbon Elementary School (Elementary)
Semper Elementary School (Elementary)
West Woods Elementary School (Elementary)
Bergen Valley Intermediate School (Elementary)
Lincoln Charter Academy (Elementary)
Rocky Mountain Deaf School (Other)
Montessori Peaks Charter Academy (Elementary)
Compass Montessori - Wheat Ridge Charter School (Elementary)
Manning Options School (Middle)
Compass Montessori - Golden Charter School (Other)
Ralston Valley Senior High School (High)
Woodrow Wilson Charter Academy (Elementary)
Rocky Mountain Academy of Evergreen (Elementary)
Brady Exploration School (High)
Blue Heron Elementary School (Elementary)
Free Horizon Montessori (Elementary)
Jefferson Academy (Other)
Jefferson Academy High School (High)
Meiklejohn Elementary (Elementary)
Falcon Bluffs Middle School (Middle)
New America School (High)
Wayne Carle Middle School (Middle)
McLain Community High School (High)
Bradford K8 South (Elementary)
Jefferson County Open Elementary School (Elementary)
Connections Learning Center on the Earle Johnson C (Middle)
Sobesky Academy (Other)
Mountain Phoenix Community School (Elementary)
Mountview Youth Service Center (High)
Jeffco Virtual Academy (High)
Two Roads Charter School (Other)
Arvada K-8 (Elementary)
Stevens Elementary School (Elementary)
Addenbrooke Classical Academy (High)
Addenbrooke Classical Grammar School (Elementary)
Doral Academy of Colorado (Other)
Three Creeks K-8 (Elementary)
Great Work Montessori (Elementary)
Rose Stein International Elementary (Elementary)
Irwin Preschool (Prekindergarten)
Jeffco Transition Services School (High)
JeffCo Remote Learning Program (Other)
Campbell Early Learning Center

Jefferson County School District No. R-1 2026-2027 School Calendar

All schools

2026-08-11 to 2026-08-14 — Teacher Staff Development (closed)
2026-08-17 to 2026-08-18 — Teacher Staff Development (closed)
2026-08-19 — First Day of School (All Students) (in session)
2026-09-07 — Labor Day (closed)
2026-09-18 — Teacher Staff Development (closed)
2026-10-12 to 2026-10-13 — Fall Break (closed)
2026-11-11 — Veterans Day (closed)
2026-11-23 to 2026-11-27 — Thanksgiving Break (closed)
2026-12-21 to 2027-01-05 — Winter Break (closed)
2027-01-04 to 2027-01-05 — Teacher Staff Development (closed)
2027-01-06 — First Day of School — Second Semester (in session)
2027-01-18 — Martin Luther King Jr. Day (closed)
2027-02-12 — Teacher Staff Development / Potential Snow Make-Up Day (closed)
2027-02-15 — Presidents' Day (closed)
2027-03-22 to 2027-03-26 — Spring Break (closed)
2027-03-29 — Teacher Staff Development / Potential Snow Make-Up Day (closed)
2027-04-30 — Potential Snow Make-Up Day (closed)
2027-05-27 — Last Day of School (All Students) / Early Release (partial)
2027-05-28 — Teacher Post Planning (closed)
2027-05-31 — Memorial Day (closed)
2027-06-18 — Juneteenth (Observed) (closed)