Simple ScheduleJefferson County School District No. R-1 2026-2027 School Calendar Holidays, breaks, and no school days
Next no-school day
Monday
October 12
Fall Break
No-school days
28 weekdays
4 single days + 24 break days
First day
Wednesday
August 19
2026
Last day
Thursday
May 27
2027
School year at a glance
Today First Day Last Day No School Break Holiday School Day
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 | 31 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 |
| Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
* Not all holidays are no-school days. Check with your local school.
Longer breaks
Thanksgiving Break
Sat, Nov 21 – Sun, Nov 29
9 days off
5 school + 4 weekend days
Winter Break
Sat, Dec 19 – Tue, Jan 5
18 days off
12 school + 6 weekend days
Spring Break
Sat, Mar 20 – Mon, Mar 29
10 days off
6 school + 4 weekend days
All 2026-2027 dates
No-school days, breaks and schedule changes, month by month.
August 2026
- First Day of School First day
September 2026
- Labor Day Holiday
- Professional Development Day No school
October 2026
- Fall Break Break
November 2026
- Thanksgiving Break Break
December 2026
- Winter Break Break
January 2027
- Martin Luther King Jr. Day Holiday
February 2027
- Professional Development Day No school
- Presidents' Day Holiday
March 2027
- Spring Break Break
- Professional Development Day No school
April 2027
- Professional Development Day No school
May 2027
- Last Day of School Last day
- Professional Development Day No school
- Memorial Day Holiday
June 2027
- Juneteenth Holiday
* Not all holidays are no-school days. Check with your local school.
Schools using this calendar
162 schools follow the Jefferson County School District No. R-1 calendar.
Browse all schools (A–Z)
A
Adams Elementary SchoolAddenbrooke Classical AcademyAddenbrooke Classical Grammar SchoolAlameda International Junior/Senior High SchoolArvada High SchoolArvada K-8Arvada West High School
B
Bear Creek High SchoolBear Creek K-8 SchoolBell Middle SchoolBelmar School Of Integrated ArtsBergen Meadow Primary SchoolBergen Valley Intermediate SchoolBlue Heron Elementary SchoolBradford K8 NorthBradford K8 SouthBrady Exploration School
C
Campbell Elementary SchoolCarmody Middle SchoolChatfield High SchoolCoal Creek Canyon K-8 Elementary SchoolCollegiate Academy Of ColoradoColorow Elementary SchoolColumbine High SchoolColumbine Hills Elementary SchoolCompass Montessori - Golden Charter SchoolCompass Montessori - Wheat Ridge Charter SchoolConifer Senior High SchoolConnections Learning Center On The Earle Johnson CCoronado Elementary SchoolCreighton Middle School
D
D'Evelyn Junior/Senior High SchoolDakota Ridge Senior High SchoolDeane Elementary SchoolDeer Creek Middle SchoolDennison Elementary SchoolDevinny Elementary SchoolDoral Academy Of ColoradoDrake Junior High SchoolDunstan Middle SchoolDutch Creek Elementary School
E
Edgewater Elementary SchoolEiber Elementary SchoolElk Creek Elementary SchoolEmory Elementary SchoolEvergreen High SchoolEvergreen Middle SchoolEveritt Middle SchoolExcel Academy Charter School
F
Fairmount Elementary SchoolFalcon Bluffs Middle SchoolFoothills Elementary SchoolFoster Dual Language Pk-8Free Horizon MontessoriFremont Elementary School
G
Glennon Heights Elementary SchoolGolden High SchoolGovernor'S Ranch Elementary SchoolGreat Work MontessoriGreen Gables Elementary SchoolGreen Mountain Elementary SchoolGreen Mountain High School
H
Hackberry Hill Elementary SchoolHutchinson Elementary School
I
Irwin Preschool
J
Jeffco Remote Learning ProgramJeffco Transition Services SchoolJeffco Virtual AcademyJefferson AcademyJefferson Academy ElementaryJefferson Academy High SchoolJefferson County Open Elementary SchoolJefferson County Open SecondaryJefferson Junior/Senior High School
K
Ken Caryl Middle SchoolKendallvue Elementary SchoolKendrick Lakes Elementary SchoolKullerstrand Elementary SchoolKyffin Elementary School
L
Lakewood High SchoolLasley Elementary SchoolLawrence Elementary SchoolLeawood Elementary SchoolLincoln Charter AcademyLittle Elementary SchoolLongview High SchoolLukas Elementary SchoolLumberg Elementary School
M
Mandalay Middle SchoolManning Options SchoolMaple Grove Elementary SchoolMarshdale Elementary SchoolMclain Community High SchoolMeiklejohn ElementaryMiller Special EducationMitchell Elementary SchoolMolholm Elementary SchoolMontessori Peaks Charter AcademyMoore Middle SchoolMortensen Elementary SchoolMount Carbon Elementary SchoolMountain Phoenix Community SchoolMountview Youth Service Center
N
New America SchoolNew Classical Academy At VivianNormandy Elementary SchoolNorth Arvada Middle School
O
Oberon Middle School
P
Parmalee Elementary SchoolParr Elementary SchoolPatterson International SchoolPeak Expeditionary - PenningtonPeck Elementary SchoolPeiffer Elementary SchoolPomona High SchoolPowderhorn Elementary SchoolProspect Valley Elementary School
R
Ralston Elementary SchoolRalston Valley Senior High SchoolRed Rocks Elementary SchoolRocky Mountain Academy Of EvergreenRocky Mountain Deaf SchoolRooney Ranch Elementary SchoolRose Stein International ElementaryRyan Elementary School
S
Secrest Elementary SchoolSemper Elementary SchoolShaffer Elementary SchoolShelton Elementary SchoolSheridan Green Elementary SchoolSierra Elementary SchoolSlater Elementary SchoolSobesky AcademySouth Lakewood Elementary SchoolStandley Lake High SchoolStevens Elementary SchoolStober Elementary SchoolStony Creek Elementary SchoolStott Elementary SchoolSummit Ridge Middle SchoolSwanson Elementary School
T
Thomson Elementary SchoolThree Creeks K-8Two Roads Charter School
U
Ute Meadows Elementary School
V
Van Arsdale Elementary SchoolVanderhoof Elementary School
W
Warder Elementary SchoolWarren TechWayne Carle Middle SchoolWeber Elementary SchoolWelchester Elementary SchoolWest Jefferson Elementary SchoolWest Jefferson Middle SchoolWest Woods Elementary SchoolWestgate Elementary SchoolWestridge Elementary SchoolWheat Ridge High SchoolWilmore Davis Elementary SchoolWilmot Elementary SchoolWitt Elementary SchoolWoodrow Wilson Charter Academy
Frequently Asked Questions
When is there no school at Jefferson County School District No. R-1 in 2026-2027?
There's no school at Jefferson County School District No. R-1 on five single days in 2026-2027: Friday, September 18 (Professional Development Day); Friday, February 12 (Professional Development Day); Monday, March 29 (Professional Development Day); Friday, April 30 (Professional Development Day); Friday, May 28 (Professional Development Day). Breaks: Fall Break (Monday, October 12 to Tuesday, October 13), Thanksgiving Break (Monday, November 23 to Friday, November 27), Winter Break (Monday, December 21 to Tuesday, January 5) and Spring Break (Monday, March 22 to Friday, March 26).
When is the first and last day of school at Jefferson County School District No. R-1 in 2026-2027?
The first day of school at Jefferson County School District No. R-1 is Wednesday, August 19, 2026. The last day of school is Thursday, May 27, 2027. That's a school year of about 40 weeks.
How many school days are in the 2026-2027 school year at Jefferson County School District No. R-1?
About 171–174 school days. The range is because three holidays on the calendar aren't marked as a day off.
How many days off does Jefferson County School District No. R-1 have in 2026-2027?
About 28 weekdays with no school, not counting weekends or summer. That's 24 weekdays of breaks plus four single days off. There are also four long weekends, where a Friday or Monday off joins the weekend.
What is the longest break at Jefferson County School District No. R-1 in 2026-2027?
Winter Break is the longest: 18 days in a row with no school, from Saturday, December 19 to Tuesday, January 5, including weekends (12 school days off).
What is the longest stretch of school without a day off?
Twenty-eight school days in a row (about six weeks), from Wednesday, October 14 to Friday, November 20.
Which month has the most days off at Jefferson County School District No. R-1?
December has the most, with nine weekdays off.
Counts are approximate and based on the published calendar.
Source: Jefferson County School District No. R-1, last updated Sept. 2026. Dates can change, so confirm with the school before making plans.
Every school date, in one calm place
Simple Schedule keeps Jefferson County School District No. R-1's days off, activities and reminders organized for your family.
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