Enrollment
431
California · 2024-25 NCES data
High school (grades 9-12) · Colusa, CA
Colusa High
Federal NCES profile for Colusa High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060957000966
👥 S:T ratio 18
📚 AP courses 15
🌟 Gifted program 30
🎓 Counselors 14
📋 Attendance 25
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Colusa High earns 20/100 on the Resource Investment Index, with class sizes near the California median.
- #4 of 5
- public schools in Colusa · Resource Index
- 20
- Resource Index · Lower
- 20.5:1
- students per teacher
- 49.8%
- free-lunch eligible
Colusa High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Colusa High ranks #4 of 5 public schools in Colusa, CA.
School address
District: Colusa Unified · California
NCES ID 060957000966 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
20.5:1
vs 21.5:1 California avg
-5% vs state
Free-lunch eligible
49.8%
vs 55.5% California avg
-10% vs state
Student-teacher ratio in context
How Colusa High compares with California and U.S. medians
What stands out at Colusa High
Colusa High is a mid-sized high school in Colusa, California, enrolling 431 students.
Class sizes run a bit leaner than typical: 20.5:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 49.8% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 431 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,395 statewide peers matched on enrollment and economic need, it ranks mid-pack at #964.
Its student body is led by Hispanic or Latino (75%) and White (18%) (diversity index 40/100).
On the academic-pipeline side it reports 3 Advanced Placement courses.
Counselor access is stretched at roughly 431 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 29.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Colusa Unified spends $12,834 per pupil, 22% below the California average, a leaner-resourced district than most.
Among Colusa's high schools, it stands alongside Colusa Alternative High (Continuation) (27 students): Colusa High is larger than that campus by headcount and runs leaner classes (20.5:1 vs 27:1).
Colusa Unified also operates George T. Egling Middle (553 students) and James M. Burchfield Primary (430 students) alongside Colusa 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 Colusa High compares
Colusa 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 | 20.5:1 | ▼ 5% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 49.8% | ▼ 10% | 55.5% | 51.7% |
| Enrollment | 431 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.5:1
Leaner classes than 14% of US schools, heavier class loads than most.
431
Bigger than 52% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
49.8%
free-lunch eligible
- 10% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
20.5:1
students per teacher
- 5% below state mean
Top 39% in California - lower ratio than 61% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
29.9%
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
$12,834
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 431 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 18 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.2 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
Hispanic or Latino 75.4%
White 17.6%
American Indian / Alaska Native 2.6%
Two or More 1.9%
Asian 1.2%
African American 0.7%
Native Hawaiian / Pacific Islander 0.7%
Largest group: Hispanic or Latino at 75.4% of enrollment.
Student-body diversity index 39.9/100
Simpson diversity index - at 39.9, Colusa High is less mixed than the California school average of 46.0.
Programs
AP courses offered 3
Funding & spending
District-wide per-pupil expenditure for Colusa Unified, which includes Colusa High.
$12,834
Per student
-22%
vs California
Avg $16,509
-23%
vs U.S.
Avg $16,593
Revenue mix
Local 25.1%
State 67.5%
Federal 7.5%
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 Colusa High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| George T. Egling Middle | Larger | Higher economic need | Similar S:T ratio |
| James M. Burchfield Primary | Similar size | Higher economic need | Similar S:T ratio |
| Colusa Alternative Home | Smaller | Higher economic need | Higher S:T ratio |
| Colusa Alternative High (Continuation) | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Colusa High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 553
- Students per teacher
- 19.8:1
- Resource Index
- 16/100
- Enrollment
- 430
- Students per teacher
- 20.5:1
- Resource Index
- 25/100
- Enrollment
- 29
- Students per teacher
- 29:1
- Resource Index
- 47/100
- Enrollment
- 27
- Students per teacher
- 27:1
- Resource Index
- 35/100
Similar high schools in Colusa
1 comparable high schools (grades 9-12) serving the same city.
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 (~431 students)
Next steps
Verify locally before acting on Colusa High's federal record.
- Compare Colusa High against another school. Compare schools
- Colusa Unified'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 Colusa High
How many students attend Colusa High?
Colusa High has 431 students enrolled. It is a high school in Colusa, CA.
What is the student-teacher ratio at Colusa High?
The student-teacher ratio at Colusa High is 20.5:1, which is 5% lower than the California average of 21.5:1 and 31% 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 Colusa High?
49.8% of students at Colusa High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Colusa High?
The largest demographic group at Colusa High is Hispanic or Latino at 75.4% of enrollment, in Colusa, CA.
What is the Resource Investment Index for Colusa High?
Colusa High has a Resource Investment Index of 20/100 (lower 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 Colusa High rank among public schools in Colusa?
By Resource Investment Index, Colusa High ranks #4 of 5 public schools in Colusa, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Colusa on the city page.
Is Colusa High a good school?
Colusa High earns 20/100 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 Colusa Unified?
Besides Colusa High, Colusa Unified also operates George T. Egling Middle (553 students), James M. Burchfield Primary (430 students), and Colusa Alternative Home (29 students). See the Colusa Unified 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.