Enrollment
819
Colorado · 2024-25 NCES data
High school (grades 9-12) · Conifer, CO
Conifer Senior High School
Federal NCES profile for Conifer Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080480001542
👥 S:T ratio 16
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 59
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Conifer Senior High School earns 49/100 on the Resource Investment Index, with class sizes larger than 90% of Colorado schools.
- #3 of 3
- public schools in Conifer · Resource Index
- 49
- Resource Index · Higher
- 21:1
- large classes for Colorado
- 11.8%
- free-lunch eligible
Conifer Senior High School has class sizes larger than 90% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Conifer Senior High School ranks #3 of 3 public schools in Conifer, CO.
School address
District: Jefferson County School District No. R-1 · Colorado
NCES ID 080480001542 Verify on NCES CCD record →
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
21:1
vs 16.6:1 Colorado avg
+27% vs state
Free-lunch eligible
11.8%
vs 38.5% Colorado avg
-69% vs state
Student-teacher ratio in context
How Conifer Senior High School compares with Colorado and U.S. medians
What stands out at Conifer Senior High School
Conifer Senior High School is a lower-poverty, large high school in Conifer, Colorado, enrolling 819 students.
Class loads run heavy: 21:1 is larger than about 90% of Colorado schools and 27% above the 16.6:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 11.8% free-meal eligibility runs 69% below the Colorado average.
Enrollment of 819 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Against 225 statewide peers matched on enrollment and economic need, it ranks mid-pack at #158.
Its student body is predominantly White (86% of enrollment) (diversity index 24/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor coverage is strong, about 205 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 40.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students) and Ralston Valley Senior High School (1,875 students) alongside Conifer Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Conifer Senior High School compares
Conifer Senior High School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21:1 | ▲ 27% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 11.8% | ▼ 69% | 38.5% | 51.7% |
| Enrollment | 819 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21:1
Leaner classes than 13% of US schools, heavier class loads than most.
819
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
11.8%
free-lunch eligible
- 69% below the Colorado average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21:1
students per teacher
- 27% above state mean
Top 90% in Colorado - lower ratio than 10% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
40.3%
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
$13,124
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 205 students, the combined health-and-guidance staffing load for this school.
Discipline context
27
in-school suspensions + 28 out-of-school
Suspension rate: 3.3 per 100 students. Combined in-school and out-of-school rate: 6.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 86.4%
Hispanic or Latino 9.3%
Two or More 2.9%
Asian 0.9%
African American 0.4%
American Indian / Alaska Native 0.1%
Largest group: White at 86.4% of enrollment.
Student-body diversity index 24.4/100
Simpson diversity index - at 24.4, Conifer Senior High School is less mixed than the Colorado school average of 47.1.
Programs
AP courses offered 20
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Jefferson County School District No. R-1, which includes Conifer Senior High School.
$13,124
Per student
-19%
vs Colorado
Avg $16,273
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 55.3%
State 36.9%
Federal 7.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Conifer Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Arvada West High School | Larger | Higher economic need | Similar S:T ratio |
| Ralston Valley Senior High School | Larger | Similar economic need | Similar S:T ratio |
| Chatfield High School | Larger | Similar economic need | Similar S:T ratio |
| Lakewood High School | Larger | Higher economic need | Lower S:T ratio |
| Columbine High School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Conifer Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,923
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
- 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
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~819 students)
Next steps
Verify locally before acting on Conifer Senior High School's federal record.
- Compare Conifer Senior High School against another school. Compare schools
- Jefferson County School District No. R-1's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Conifer Senior High School
How many students attend Conifer Senior High School?
Conifer Senior High School has 819 students enrolled. It is a high school in Conifer, CO.
What is the student-teacher ratio at Conifer Senior High School?
The student-teacher ratio at Conifer Senior High School is 21:1, which is 27% higher than the Colorado average of 16.6:1 and 34% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Conifer Senior High School?
11.8% of students at Conifer Senior High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Conifer Senior High School?
The largest demographic group at Conifer Senior High School is White at 86.4% of enrollment, in Conifer, CO.
What is the Resource Investment Index for Conifer Senior High School?
Conifer Senior High School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Conifer Senior High School rank among public schools in Conifer?
By Resource Investment Index, Conifer Senior High School ranks #3 of 3 public schools in Conifer, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Conifer on the city page.
Is Conifer Senior High School a good school?
Conifer Senior High School earns 49/100 on the Resource Investment Index, with class sizes larger than 90% of Colorado schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Jefferson County School District No. R-1?
Besides Conifer 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.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.