Below Average
#1530 of 1,815 schools in CO
Jefferson Junior/senior High School
High School · Jefferson County School District No. R-1
2305 PIERCE STREET, Edgewater, CO 80214
Enrollment
594
Student-Teacher
16.1:1
Score
4.8
Grades
7th – 12th
Enrollment
594
Student-Teacher
16.1:1
Score
4.8
Grades
7th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Edgewater
#2 of 3
public schools
Colorado high schools
#341 of 403
In district
#122 of 140
Jefferson County School District No. R-1
About Jefferson Junior/senior High School
Jefferson Junior/Senior High School is a public high school located in Edgewater, Colorado. The school serves students from seventh through twelfth grade with an enrollment of 594 students and a student-to-teacher ratio of 16.1:1. Teachers work hard to maintain small class sizes, fostering a supportive learning environment.
Jefferson Junior/Senior High School’s academic performance currently shows room for improvement, with the school ranked at #1722 out of 1831 schools in Colorado. Test scores indicate that only 16% of students are proficient or above in English language arts and reading, while just 4% are proficient or above in math. The school is focused on student development and continuous improvement to better support its diverse population.
The setting of Jefferson Junior/Senior High School is within a large suburban area in Edgewater, providing a variety of local resources and community engagement opportunities for students.
What Parents Should Know
While current test scores at Jefferson Junior/senior High School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Jefferson Junior/senior High School — Students at Jefferson Junior/senior High School score 9% proficient, which is below what's typical for similar communities (expected: 21%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
81.8%
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: 6.2/10.
How Jefferson Junior/senior High School Compares
See how Jefferson Junior/senior High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 4% (2019) to 4.62% (2025). Reading/ELA proficiency has declined from 19% (2019) to 14.04% (2025).
Location
2305 PIERCE STREET, Edgewater, CO 80214
Nearby Alternatives
Families considering Jefferson Junior/senior High School may also want to explore other high schools in the area. BETH JACOB HIGH SCHOOL (rated 7.1/10, 1.4 miles away, in nearby Denver), which scores notably higher. Another option is Jeffco Transition Services School (rated 7.0/10, 2.3 miles away, in nearby Lakewood), which scores notably higher. Additionally, Jefferson County Open Secondary (rated 6.9/10, 1.3 miles away, in nearby Lakewood), which scores notably higher. For more schools in Edgewater, see our Edgewater schools guide .
Nearby Schools
20 within 1.9 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 80214 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$74,259
Median Home Value
$519,900
Median Rent
$1,516/mo
Population
26,759
College Educated
39.4%
Homeownership
40.1%
Avg Commute
26.4 min
Poverty Rate
14.7%
Median Age
35.9
Community Profile
The community surrounding Jefferson Junior/senior High School has a median household income of $74,259. It is an area where 39% of adults hold a bachelor's degree or higher. The median home value in the area is $519,900, with a median rent of $1,516/month. The area has a poverty rate of 14.7%. 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 |
|---|---|
| Crested Butte Secondary School Crested Butte, CO | 4.8 |
| Florence Jr./Sr. High School Florence, CO | 4.8 |
| Jefferson Junior/Senior High Greeley, CO | 4.8 |
| Pathways Future Center Thornton, CO | 4.8 |
| Rocky Mountain Prep SMART Denver, CO | 4.8 |
| Colorado Preparatory Academy High School Westminster, CO | 4.7 |
Frequently Asked Questions
Common questions about Jefferson Junior/senior High School
What grades does Jefferson Junior/senior High School serve?
Jefferson Junior/senior High School serves students in grades 7th through 12th.
How many students attend Jefferson Junior/senior High School?
Jefferson Junior/senior High School has an enrollment of approximately 594 students.
What is the student-teacher ratio at Jefferson Junior/senior High School?
The student-teacher ratio at Jefferson Junior/senior High School is 16.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Jefferson Junior/senior High School rank in CO?
Jefferson Junior/senior High School is ranked #1530 out of 1,815 schools in CO.
What is Jefferson Junior/senior High School's MySchoolScout rating?
Jefferson Junior/senior High School has a composite rating of 4.8 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 Junior/senior High School?
Based on the most recent state assessment data, Jefferson Junior/senior High School has 4.1% math proficiency and 15.6% reading/ELA proficiency.
Is Jefferson Junior/senior High School a charter school?
No, Jefferson Junior/senior High School is not a charter school. It is a traditional public school operated by the local school district.
Is Jefferson Junior/senior High School a Title I school?
No, Jefferson Junior/senior High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Jefferson Junior/senior High School?
81.8% of students at Jefferson Junior/senior High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
- City Safety
- High (10,306/100K)
FBI UCR 2024. City-level (Edgewater). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 7th – 12th
- Enrollment
- 594
- Student-Teacher Ratio
- 16.1:1
- Teachers (FTE)
- 37
- Free/Reduced Lunch
- 81.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Jefferson County
- Phone
- (303) 982-6056
- 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
- #122 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
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.