Average
#703 of 1,815 schools in CO
Top 39% 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
6.9
Grades
7th – 12th
Enrollment
324
Student-Teacher
14.7:1
Score
6.9
Grades
7th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Lakewood
#12 of 43
public schools
Colorado high schools
#128 of 403
In district
#55 of 140
Jefferson County School District No. R-1
Academic growth
8.0 / 10
Very strong
About Jefferson County Open Secondary
Jefferson County Open Secondary is a regular public high school located in Lakewood, Colorado. The school serves students from seventh through twelfth grade, with an enrollment of 324 students and a student-teacher ratio of 14.7:1. Jefferson County Open Secondary focuses on providing a robust educational experience despite its current academic standing; it ranks as the 659th best out of 1831 schools in Colorado, placing it around the 64th percentile.
In terms of test performance, 57% of students are proficient or above in ELA/Reading, while 29% meet proficiency standards in Math. The school is situated in a large suburban area and offers its diverse student body a supportive environment with 22 full-time equivalent teachers dedicated to their education. While there's room for academic growth, the school emphasizes the development of well-rounded individuals who are prepared for life after high school.
Jefferson County Open Secondary is part of the community in Lakewood, where students can take advantage of the suburban setting while being close to urban amenities and resources.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Jefferson County Open Secondary — Students at Jefferson County Open Secondary score 46% proficient, which is below what's typical for similar communities (expected: 62%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.1%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 11 test records from CO state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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: 8.0/10.
How Jefferson County Open Secondary Compares
See how Jefferson County Open Secondary performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has improved from 27% (2019) to 32.93% (2025). Reading/ELA proficiency has improved from 57% (2019) to 59.26% (2025).
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. BETH JACOB HIGH SCHOOL (rated 7.1/10, 1.7 miles away, in nearby Denver), with a very similar rating. Another option is Jeffco Transition Services School (rated 7.0/10, 1.3 miles away), with a very similar rating. Additionally, Lakewood High School (rated 6.6/10, 1.3 miles away), with a comparable rating. For more schools in Lakewood, see our Lakewood schools guide .
Nearby Schools
20 within 2.2 miNeighborhood 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
Community Profile
The community surrounding Jefferson County Open Secondary has a median household income of $85,017. It is a well-educated community where 49% of adults hold a bachelor's degree or higher. The median home value in the area is $615,500, with a median rent of $1,728/month. The local poverty rate of 9.4% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Lyons Middle/Senior High School Lyons, CO | 6.9 |
| Mapleton Early Career Preparation Thornton, CO | 6.9 |
| DSST: Cole High School Denver, CO | 7.0 |
| Early College Academy Greeley, CO | 7.0 |
| Holyoke Senior High School Holyoke, CO | 6.8 |
| McLain Community High School Lakewood, CO | 6.8 |
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 is ranked #703 out of 1,815 schools in CO.
What is Jefferson County Open Secondary's MySchoolScout rating?
Jefferson County Open Secondary has a composite rating of 6.9 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Jefferson County Open Secondary?
Based on the most recent state assessment data, Jefferson County Open Secondary has 29.1% math proficiency and 57.3% reading/ELA proficiency.
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.
Neighborhood Context
- City Safety
- High (5,900/100K)
FBI UCR 2024. City-level (Lakewood). Data >1 year old.
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
- Phone
- (303) 982-7045
- Data Year
- 2023–2024
Resources & Links
District
Jefferson County School District No. R-1- District Enrollment
- 74,251
- Schools in District
- 148
- Per-Pupil Spending
- $14,483
- District Rank
- #55 of 140
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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