- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
Other / mixed grade configuration · Edgewater, CO
Jefferson Junior/Senior High School
Federal NCES profile for Jefferson Junior/Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080480000739
👥 S:T ratio 38
🌟 Gifted program 70
🎓 Counselors 80
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson Junior/Senior High School earns 47/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #1 of 3
- schools in Edgewater · Resource Index
- 47
- Resource Index · Typical
- 15.4:1
- students per teacher
- 77.5%
- free-lunch eligible
Jefferson Junior/Senior High School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Jefferson Junior/Senior High School ranks #1 of 3 schools in Edgewater, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480000739 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
Jefferson Junior/Senior High School held near 594 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE lost 39.5 → 37.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 080480000739 · Edgewater, CO Other · MID · TRAD
601 enr · 15.4:1 · 77.5% lunch · RII 47
Nearest enrollment peer: Arvada West High School (1,923 students)
Jefferson Junior/Senior High School held near 594 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE lost 39.5 → 37.3 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Jefferson Junior/Senior High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Arvada West Hi
Arvada West High School
1,923 students
- Ralston Valley
Ralston Valley Senior High School
1,875 students
- Chatfield High
Chatfield High School
1,808 students
- Lakewood High
Lakewood High School
1,735 students
- Columbine High
Columbine High School
1,710 students
- This school 601
Jefferson Junior/Senior High School
601 students
What this shows Jefferson Junior/Senior High School reports 601 students on the CCD universe file.
How Jefferson Junior/Senior High School compares
Jefferson Junior/Senior High School held steady on CCD headcount: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.4:1 | ▼ 7% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 77.5% | ▲ 101% | 38.5% | 51.7% |
| Enrollment | 601 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.4:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
601
Bigger than 73% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
77.5%
free-lunch eligible
- 101% above the Colorado average of 38.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
15.4:1
students per teacher
- 7% below state mean
Top 46% in Colorado - lower ratio than 54% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
81.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,483
per pupil, district-wide
- below Colorado avg of $17,910
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors6.0 FTE
Per 100 students, the combined health-and-guidance staffing load for this school.
Discipline context
32
in-school suspensions + 73 out-of-school
Suspension rate: 5.3 per 100 students. Combined in-school and out-of-school rate: 17.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 86.0%
White 6.7%
African American 2.8%
Two or More 2.7%
American Indian / Alaska Native 0.8%
Native Hawaiian / Pacific Islander 0.8%
Asian 0.2%
Largest group: Hispanic or Latino at 86.0% of enrollment.
Student-body diversity index 25.4/100
Simpson diversity index - at 25.4, Jefferson Junior/Senior High School is less mixed than the Colorado school average of 47.1.
Programs
AP courses offered 6
Gifted & talented Yes
District finance for Jefferson County School District No. R-1 reports $14,483 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Jefferson Junior/Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | Lower economic need | Higher S:T ratio |
| Ralston Valley Senior High School | Larger | Lower economic need | Higher S:T ratio |
| Chatfield High School | Larger | Lower economic need | Higher S:T ratio |
| Lakewood High School | Larger | Lower economic need | Higher S:T ratio |
| Columbine High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Jefferson Junior/Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,875
- Students per teacher
- 21.6:1
- Resource Index
- 35/100
- Enrollment
- 1,808
- Students per teacher
- 20.1:1
- Resource Index
- 34/100
- Enrollment
- 1,735
- Students per teacher
- 17.4:1
- Resource Index
- 52/100
- Enrollment
- 1,710
- Students per teacher
- 19.9:1
- Resource Index
- 31/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~601 students)
Frequently asked questions about Jefferson Junior/Senior High School
How many students attend Jefferson Junior/Senior High School?
Jefferson Junior/Senior High School has 601 students enrolled. It is a public school in Edgewater, CO. CCD year-over-year: 612 (2022-23) → 594 (2023-24), nearly flat (-18).
What is the student-teacher ratio at Jefferson Junior/Senior High School?
The student-teacher ratio at Jefferson Junior/Senior High School is 15.4:1, which is 7% lower than the Colorado average of 16.6:1 and 2% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Jefferson Junior/Senior High School?
77.5% of students at Jefferson Junior/Senior High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Jefferson Junior/Senior High School?
The largest demographic group at Jefferson Junior/Senior High School is Hispanic or Latino at 86.0% of enrollment, in Edgewater, CO.
What is the Resource Investment Index for Jefferson Junior/Senior High School?
Jefferson Junior/Senior High School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Jefferson Junior/Senior High School rank among schools in Edgewater?
By Resource Investment Index, Jefferson Junior/Senior High School ranks #1 of 3 schools in Edgewater, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Jefferson County School District No. R-1?
Besides Jefferson Junior/Senior High School, Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students), Ralston Valley Senior High School (1,875 students), and Chatfield High School (1,808 students). See the Jefferson County School District No. R-1 district page for the complete list.