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Very Good

#543 of 1,815 schools in CO

Top 30% in state

Jefferson County Open Secondary

High School · Jefferson County School District No. R-1

7655 WEST 10TH AVENUE, Lakewood, CO 80215

Enrollment

324

Student-Teacher

14.7:1

Score

7.4

Grades

7th – 12th

Data vintage2022-23

How this school compares

Colorado schools

#543 of 1,815

In Lakewood

#9 of 43

public schools

In district

#54 of 140

Jefferson County School District No. R-1

Academic growth

8.8 / 10

Excellent

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Jefferson County Open Secondary

7.4/10

High School in Lakewood · grades 7th – 12th. Start here, then compare fit against nearby and district options.

Jefferson County Open Elementary School

6.6/10

0.0 mi away. Use as a geographic alternative in the same move search.

Wellspring Catholic Academy of St. Bernadette

6.8/10

0.3 mi away. Use as a geographic alternative in the same move search.

About Jefferson County Open Secondary

Jefferson County Open Secondary is a public high school in Lakewood, CO, part of Jefferson County School District No. R-1. Jefferson County Open Secondary serves approximately 324 students, and covers grades 7th-12th, and has a 14.7:1 student-teacher ratio.

Jefferson County Open Secondary has a current MySchoolScout rating of 7.4 out of 10 and ranks #543 of 1,815 schools in CO. Structured state assessment records for Jefferson County Open Secondary show 31% math proficiency (multi-year average, 2009-2025) and 60% reading/ELA proficiency (multi-year average, 2009-2025).

How it compares0.9 pts above district
  • This school 7.4 · Very Good
  • District avg 6.5
  • CO avg 6.5

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.8Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-1.94 pts/yr
Data Period2009–2025
TrendDeclining
Academics5.9Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency32.9% (2025 CMAS)
Reading/ELA Proficiency59.3% (2025 CMAS)
Math vs. State Avg-3.2 pts
Reading vs. State Avg+14.4 pts
Overall Proficiency46% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)62% (model expectation from 2025 CMAS)
vs. Expected-16.1 pts
Adjusted Percentile42th
College Readiness6.9Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate64.5%
IB ProgramNo
Resources & Environment8.5Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio14.7:1
Per-Pupil Spending$14,483
Chronic Absenteeism20.1%

Jefferson County Open Secondary — Students at Jefferson County Open Secondary score 46% proficient, which is below what's typical for similar communities (expected: 62%).

How we calculate scores →

Test Scores CO CMAS (2024-25)

Math Proficiency 30.8% (multi-year average, 2009-2025)
School
State
35.6% (2025 CMAS)
ELA Proficiency 60.3% (multi-year average, 2009-2025)
School
State
46.4% (2025 CMAS)

Based on 33 test records from CO state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
52%
ELA
97.5%
2010
Math
67%
ELA
97.5%
2011
Math
27%
ELA
77%
2012
Math
34%
ELA
72%
2013
Math
37%
ELA
67%
2014
Math
17%
ELA
37%
2015
Math
17%
ELA
32%
2016
Math
17%
ELA
32%
2017
Math
27%
ELA
57%
2018
Math
27%
ELA
57%
2019
Math
27%
ELA
57%
2020*
Math
27%
ELA
52%
2021*
Math
27%
ELA
52%
2022
Math
22%
2025
Math
32.9%
ELA
59.2%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.8/10.

How Jefferson County Open Secondary Compares

See how Jefferson County Open Secondary performs across key quality dimensions compared to state benchmarks.

Overall Score
7.4/10
70th percentile in CO
Academic
5.9/10
Average
Growth
8.8/10
Excellent
Environment
8.5/10
Excellent
Advanced STEM
3/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Teaching Staff
15:1 student-teacher ratio
22 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
20.1%

Programs & Offerings

Advanced STEM Courses3 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

7655 WEST 10TH AVENUE, Lakewood, CO 80215

Nearby Alternatives

Families considering Jefferson County Open Secondary may also want to explore other high schools in the area. Lakewood High School (rated 7.7/10, 1.3 miles away), with a very similar rating. Another option is BETH JACOB HIGH SCHOOL (rated 7.1/10, 1.7 miles away, in nearby Denver), with a comparable rating. Additionally, Jefferson Junior/Senior High School (rated 5.1/10, 1.3 miles away, in nearby Edgewater), a more accessible option. For more schools in Lakewood, see our Lakewood schools guide .

Nearby Schools

20 within 2.2 mi
School Distance Rating
Jefferson County Open Elementary School Lakewood 0.0 mi 6.6
WELLSPRING CATHOLIC ACADEMY OF ST. BERNADETTE Lakewood 0.3 mi 6.8
BETHLEHEM LUTHERAN SCHOOL Lakewood 1.1 mi 6.2
South Lakewood Elementary School Lakewood 1.1 mi 6.6
Jeffco Transition Services School Lakewood 1.3 mi 5.0
Rose Stein International Elementary Lakewood 1.3 mi 7.1
Jefferson Junior/Senior High School Edgewater 1.3 mi 5.1
Slater Elementary School Lakewood 1.4 mi 4.5
Lumberg Elementary School Edgewater 1.3 mi 3.2
BETH EDEN BAPTIST SCHOOL Wheat Ridge 1.5 mi 8.0
Eiber Elementary School Lakewood 1.2 mi 5.0
Lakewood High School Lakewood 1.3 mi 7.7
Dennison Elementary School Lakewood 1.5 mi 8.9
Miller Special Education Lakewood 1.6 mi 5.4
Creighton Middle School Lakewood 1.7 mi 5.7
Edgewater Elementary School Edgewater 1.8 mi 4.5
BETH JACOB HIGH SCHOOL Denver 1.7 mi 7.1
New America School Lakewood 2.1 mi 4.5
OUR LADY OF FATIMA CATHOLIC SCHOOL Lakewood 1.9 mi 6.4
Deane Elementary School Lakewood 2.2 mi 2.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 80215 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$85,017

Median Home Value

$615,500

Median Rent

$1,728/mo

Population

19,684

College Educated

49%

Homeownership

57.9%

Avg Commute

26.4 min

Poverty Rate

9.4%

Median Age

37.9

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
FOUNTAIN VALLEY SCHOOL OF COLORADO Colorado Springs, CO 7.4
The Vanguard School (High) Colorado Springs, CO 7.4
DSST: Cole High School Denver, CO 7.5
Gilpin County Undivided High School Black Hawk, CO 7.5
William Smith High School Aurora, CO 7.5
Cedaredge High School Cedaredge, CO 7.3

Frequently Asked Questions

Common questions about Jefferson County Open Secondary

What grades does Jefferson County Open Secondary serve?

Jefferson County Open Secondary serves students in grades 7th through 12th.

How many students attend Jefferson County Open Secondary?

Jefferson County Open Secondary has an enrollment of approximately 324 students.

What is the student-teacher ratio at Jefferson County Open Secondary?

The student-teacher ratio at Jefferson County Open Secondary is 14.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Jefferson County Open Secondary rank in CO?

Jefferson County Open Secondary ranks #543 of 1,815 schools in CO.

What is Jefferson County Open Secondary's MySchoolScout rating?

Jefferson County Open Secondary has a current MySchoolScout rating of 7.4 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Jefferson County Open Secondary?

Based on loaded state assessment records, Jefferson County Open Secondary has 31% math proficiency (multi-year average, 2009-2025) and 60% reading/ELA proficiency (multi-year average, 2009-2025).

Is Jefferson County Open Secondary a charter school?

No, Jefferson County Open Secondary is not a charter school. It is a traditional public school operated by the local school district.

Is Jefferson County Open Secondary a Title I school?

No, Jefferson County Open Secondary is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

Walk Score
61 Somewhat Walkable
Transit Score
49 Some Transit
Bike Score
69 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
7th – 12th
Enrollment
324
Student-Teacher Ratio
14.7:1
Teachers (FTE)
22
Type
regular
Setting
Large Suburb
County
Jefferson County
Chronic Absenteeism (SY 2022-23)
20.1%
4-Year Graduation
64.5%

District

Jefferson County School District No. R-1
District Enrollment
74,251
Schools in District
148
Per-Pupil Spending
$14,483
District Rank
#54 of 140

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