Enrollment
611
California · 2024-25 NCES data
High school (grades 9-12) · Colfax, CA
Colfax High
Federal NCES profile for Colfax High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063075004781
👥 S:T ratio 16
📚 AP courses 60
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Colfax High earns 40/100 on the Resource Investment Index, with class sizes near the California median.
- 40
- Resource Index · Typical
- 21.1:1
- students per teacher
- 21.0%
- free-lunch eligible
- 611
- students enrolled
Colfax High has class sizes near the California median. Computed live against every California school reporting to NCES.
School address
District: Placer Union High · California
NCES ID 063075004781 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
21.1:1
vs 21.5:1 California avg
-2% vs state
Free-lunch eligible
21.0%
vs 55.5% California avg
-62% vs state
Student-teacher ratio in context
How Colfax High compares with California and U.S. medians
What stands out at Colfax High
Colfax High is a mid-sized high school in Colfax, California, enrolling 611 students.
At 21.1:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 21.0% free-meal eligibility runs 62% below the California average.
Enrollment of 611 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,355 statewide peers matched on enrollment and economic need, it ranks mid-pack at #645.
Its student body is led by White (77%) and Two or More (11%) (diversity index 39/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 339 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 30.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Placer Union High also operates Del Oro High (1,634 students) and Placer High (1,265 students) alongside Colfax High.
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 Colfax High compares
Colfax High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.1:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 21.0% | ▼ 62% | 55.5% | 51.7% |
| Enrollment | 611 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.1:1
Leaner classes than 13% of US schools, heavier class loads than most.
611
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
21.0%
free-lunch eligible
- 62% below the California average of 55.5%
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
21.1:1
students per teacher
- 2% below state mean
Top 44% in California - lower ratio than 56% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
30.4%
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
$13,764
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.8 FTE
Per 339 students, the combined health-and-guidance staffing load for this school.
Discipline context
16
in-school suspensions + 34 out-of-school
Suspension rate: 2.6 per 100 students. Combined in-school and out-of-school rate: 8.2 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 76.7%
Two or More 11.2%
Hispanic or Latino 10.1%
Asian 0.8%
American Indian / Alaska Native 0.7%
African American 0.5%
Largest group: White at 76.7% of enrollment.
Student-body diversity index 38.9/100
Simpson diversity index - at 38.9, Colfax High is less mixed than the California school average of 46.0.
Programs
AP courses offered 12
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Placer Union High, which includes Colfax High.
$13,764
Per student
-17%
vs California
Avg $16,509
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 66.4%
State 26.9%
Federal 6.7%
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 Colfax High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Del Oro High | Larger | Lower economic need | Higher S:T ratio |
| Placer High | Larger | Similar economic need | Similar S:T ratio |
| Foresthill High | Smaller | Higher economic need | Lower S:T ratio |
| Maidu Virtual Charter Academy | Smaller | Higher economic need | Lower S:T ratio |
| Confluence Continuation High | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Colfax High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,634
- Students per teacher
- 23.7:1
- Resource Index
- 27/100
- Enrollment
- 1,265
- Students per teacher
- 20.4:1
- Resource Index
- 21/100
- Enrollment
- 190
- Students per teacher
- 15.8:1
- Resource Index
- 54/100
- Enrollment
- 115
- Students per teacher
- 19.2:1
- Resource Index
- 43/100
- Enrollment
- 103
- Students per teacher
- 20.6:1
- Resource Index
- 24/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~611 students)
Similar student-teacher ratio (~21.1:1)
Next steps
Verify locally before acting on Colfax High's federal record.
- Compare Colfax High against another school. Compare schools
- Placer Union High'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 Colfax High
How many students attend Colfax High?
Colfax High has 611 students enrolled. It is a high school in Colfax, CA.
What is the student-teacher ratio at Colfax High?
The student-teacher ratio at Colfax High is 21.1:1, which is 2% lower than the California average of 21.5:1 and 34% higher 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 Colfax High?
21.0% of students at Colfax High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Colfax High?
The largest demographic group at Colfax High is White at 76.7% of enrollment, in Colfax, CA.
What is the Resource Investment Index for Colfax High?
Colfax High has a Resource Investment Index of 40/100 (typical 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).
Is Colfax High a good school?
Colfax High earns 40/100 on the Resource Investment Index, with class sizes near the California median. 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 Placer Union High?
Besides Colfax High, Placer Union High also operates Del Oro High (1,634 students), Placer High (1,265 students), and Foresthill High (190 students). See the Placer Union High 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.