West Jefferson Middle School

Middle school·Grades 6-8 Conifer, Colorado·80433
Score
80.6/100
Compare West Jefferson Middle School with another school
#50
Among 255 Colorado middle schools
#5
In Jefferson County School District No. R-1
Top 20%
In Colorado

Score 80.6/100: better than 80% of Colorado middle schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% met or exceeded expectations on state tests in Colorado, all students. Colored bars are green when the school is at or above the average for similar Colorado schools.

English language arts
65%
Similar Colorado schools ≈ 44%, better than 88% of them
408 students tested
Math
48%
Similar Colorado schools ≈ 35%, better than 78% of them
406 students tested
Science
45%
Similar Colorado schools ≈ 36%, better than 73% of them
115 students tested
All Colorado schools (ELA / math)
45% / 38%
State average across every school type, 2025-26
All 9 published results by grade and test

As published by Colorado Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 6CMAS70.5149
English language artsGrade 7CMAS68.4136
English language artsGrade 8CMAS55.3123
English language artsAll gradesCMAS65.2408
MathGrade 6CMAS45.9148
MathGrade 7CMAS48.5136
MathGrade 8CMAS48.4122
MathAll gradesCMAS47.5406
ScienceGrade 8CMAS45.2115

School profile

Grades
6-8
Students
480
Type
Middle school
Charter school
No
Program
Regular

Students

Enrollment
480
Typical middle school: 467
Free or reduced-price lunch
23%
Typical middle school: 49%

District and location

City
Jefferson County

Contact

Address
9449 SOUTH BARNES STREET
Conifer, CO 80433

"Typical" is the middle (median) middle school in Colorado. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby middle schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

West Jefferson Middle School at a glance

West Jefferson Middle School is a public middle school in Conifer, Colorado, serving grades 6-8. It is part of Jefferson County School District No. R-1. It has about 480 students (a typical Colorado middle school has 467). About 23% of students are eligible for free or reduced-price lunch, compared with 49% at a typical Colorado middle school, which is useful context when reading test results.

In 2025-26 state tests, 65% in English language arts (similar schools: 44%) and 48% in math (similar schools: 35%) reached the state standard (% met or exceeded expectations). On our score, which compares it only with other Colorado middle schools, it scores 80.6 out of 100: better than 80% of them, ranking #50 of 255. Its English language arts result rose by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.