- Enrollment
- 1,634
- Students per teacher
- 23.7:1
- Resource Index
- 27/100
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 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063075004781
👥 S:T ratio 16
🌟 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 35/100 on the Resource Investment Index, with class sizes near the California median.
- 35
- 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 →
CCD year-over-year · 2022-23 → 2023-24
-38 students YoY
Colfax High shrank from 666 students in 2022-23 to 628 in 2023-24 (-5.7%).
Teacher FTE added 29.2 → 30.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-38 students YoY 063075004781 · Colfax, CA High · MID · TRAD
611 enr · 21.1:1 · 21.0% lunch · RII 35
Nearest enrollment peer: Del Oro High (1,634 students)
Colfax High shrank from 666 students in 2022-23 to 628 in 2023-24 (-5.7%). Teacher FTE added 29.2 → 30.2 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Colfax High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Del Oro High
Del Oro High
1,634 students
- Placer High
Placer High
1,265 students
- This school 611
Colfax High
611 students
- Foresthill Hig 190
Foresthill High
190 students
- Maidu Virtual 115
Maidu Virtual Charter Academy
115 students
- Confluence Con 103
Confluence Continuation High
103 students
What this shows Colfax High reports 611 students on the CCD universe file.
How Colfax High compares
Colfax High is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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
$16,433
per pupil, district-wide
- below California avg of $18,665
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.
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
District finance for Placer Union High reports $16,433 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,265
- 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
Nationwide high 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 (~611 students)
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. CCD year-over-year: 666 (2022-23) → 628 (2023-24), down 38.
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 35/100 (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).
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.