- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
Other / mixed grade configuration · Lakewood, CO
Jefferson County Open Secondary
Federal NCES profile for Jefferson County Open Secondary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080480000765
👥 S:T ratio 40
🌟 Gifted program 70
🎓 Counselors 37
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson County Open Secondary earns 37/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #12 of 22
- schools in Lakewood · Resource Index
- 37
- Resource Index · Typical
- 15:1
- students per teacher
- 315
- students enrolled
Jefferson County Open Secondary has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Jefferson County Open Secondary ranks #12 of 22 schools in Lakewood, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480000765 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+7 students YoY
Jefferson County Open Secondary held near 324 students from 2022-23 to 2023-24 (+7 headcount).
Teacher FTE added 21.0 → 22.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+7 students YoY 080480000765 · Lakewood, CO Other · SMALL · TRAD
315 enr · 15:1 · RII 37
Nearest enrollment peer: Arvada West High School (1,923 students)
Jefferson County Open Secondary held near 324 students from 2022-23 to 2023-24 (+7 headcount). Teacher FTE added 21.0 → 22.0 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Jefferson County Open Secondary 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 315
Jefferson County Open Secondary
315 students
What this shows Jefferson County Open Secondary reports 315 students on the CCD universe file.
How Jefferson County Open Secondary compares
Jefferson County Open Secondary 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 | 15:1 | ▼ 10% | 16.6:1 | 15.7:1 |
| Enrollment | 315 | top 59% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
315
Bigger than 34% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
15:1
students per teacher
- 10% below state mean
Top 41% in Colorado - lower ratio than 59% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
40.6%
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
Counselors1.0 FTE
Per 315 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 22 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 7.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 73.3%
Hispanic or Latino 17.1%
Two or More 8.3%
Asian 0.6%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 73.3% of enrollment.
Student-body diversity index 42.7/100
Simpson diversity index - at 42.7, Jefferson County Open Secondary is less mixed than the Colorado school average of 47.1.
Programs
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 County Open Secondary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | No free-lunch data | Higher S:T ratio |
| Ralston Valley Senior High School | Larger | No free-lunch data | Higher S:T ratio |
| Chatfield High School | Larger | No free-lunch data | Higher S:T ratio |
| Lakewood High School | Larger | No free-lunch data | Higher S:T ratio |
| Columbine High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Jefferson County Open Secondary'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 (~315 students)
Frequently asked questions about Jefferson County Open Secondary
How many students attend Jefferson County Open Secondary?
Jefferson County Open Secondary has 315 students enrolled. It is a public school in Lakewood, CO. CCD year-over-year: 317 (2022-23) → 324 (2023-24), nearly flat (+7).
What is the student-teacher ratio at Jefferson County Open Secondary?
The student-teacher ratio at Jefferson County Open Secondary is 15:1, which is 10% lower than the Colorado average of 16.6:1 and 4% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Jefferson County Open Secondary?
The largest demographic group at Jefferson County Open Secondary is White at 73.3% of enrollment, in Lakewood, CO.
What is the Resource Investment Index for Jefferson County Open Secondary?
Jefferson County Open Secondary has a Resource Investment Index of 37/100 (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 County Open Secondary rank among schools in Lakewood?
By Resource Investment Index, Jefferson County Open Secondary ranks #12 of 22 schools in Lakewood, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Lakewood on the city page.
What other schools are in Jefferson County School District No. R-1?
Besides Jefferson County Open Secondary, 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.