Enrollment
287
Iowa · 2024-25 NCES data
Other / mixed grade configuration · Colfax, IA
Colfax-Mingo Jr/Sr High School
Federal NCES profile for Colfax-Mingo Jr/Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataOther / mixed grade configurationNCES 190000900386
👥 S:T ratio 58
🌟 Gifted program 70
🎓 Counselors 71
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Colfax-Mingo Jr/Sr High School earns 58/100 on the Resource Investment Index, with class sizes smaller than 90% of Iowa schools.
- 58
- Resource Index · Higher
- 10.6:1
- small classes for Iowa
- 34.2%
- free-lunch eligible
- 287
- students enrolled
Colfax-Mingo Jr/Sr High School has class sizes smaller than 90% of Iowa schools. Computed live against every Iowa school reporting to NCES.
School address
District: Colfax-Mingo Comm School District · Iowa
NCES ID 190000900386 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 14.8:1 Iowa avg
-28% vs state
Free-lunch eligible
34.2%
vs 36.4% Iowa avg
-6% vs state
Student-teacher ratio in context
How Colfax-Mingo Jr/Sr High School compares with Iowa and U.S. medians
What stands out at Colfax-Mingo Jr/Sr High School
Colfax-Mingo Jr/Sr High School is a mid-sized combined-grade school in Colfax, Iowa, enrolling 287 students.
Classes run notably small here: at 10.6:1, Colfax-Mingo Jr/Sr High School is leaner than roughly 90% of Iowa schools and 28% under the state's 14.8:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 34.2% lands close to the Iowa typical range, neither a high- nor low-need campus by this measure.
With 287 students, its enrollment sits close to the Iowa median campus size.
Its Resource Investment Index lands in the upper third of 1,322 scored Iowa schools.
Against 445 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #58.
Its student body is predominantly White (86% of enrollment) (diversity index 25/100).
Counselor coverage is strong, about 144 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 27.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Colfax's public schools, it stands alongside Colfax-Mingo Elementary School (399 students): Colfax-Mingo Jr/Sr High School is smaller than that campus by headcount and runs leaner classes (10.6:1 vs 13.8:1).
Its district, Colfax-Mingo Comm School District, also runs Colfax-Mingo Elementary School (399 students).
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-Mingo Jr/Sr High School compares
Colfax-Mingo Jr/Sr High School on the metrics families compare, against Iowa and U.S. means.
| Metric | This school | vs Iowa | Iowa avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.6:1 | ▼ 28% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 34.2% | ▼ 6% | 36.4% | 51.7% |
| Enrollment | 287 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
287
Bigger than 30% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
34.2%
free-lunch eligible
- 6% below the Iowa average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.6:1
students per teacher
- 28% below state mean
Top 10% in Iowa - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
27.5%
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
$13,084
per pupil, district-wide
- above Iowa avg of $12,854
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 144 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 43 out-of-school
Suspension rate: 4.9 per 100 students. Combined in-school and out-of-school rate: 19.9 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%
Two or More 5.9%
Hispanic or Latino 5.2%
African American 1.0%
Native Hawaiian / Pacific Islander 1.0%
Asian 0.3%
Largest group: White at 86.4% of enrollment.
Student-body diversity index 24.7/100
Simpson diversity index - at 24.7, Colfax-Mingo Jr/Sr High School is less mixed than the Iowa school average of 33.8.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Colfax-Mingo Comm School District, which includes Colfax-Mingo Jr/Sr High School.
$13,084
Per student
+2%
vs Iowa
Avg $12,854
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 43.1%
State 46.0%
Federal 10.9%
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-Mingo Jr/Sr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Colfax-Mingo Elementary School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Colfax-Mingo Jr/Sr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 399
- Students per teacher
- 13.8:1
- Resource Index
- 63/100
Similar other schools in Colfax
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Iowa, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~287 students)
Next steps
Verify locally before acting on Colfax-Mingo Jr/Sr High School's federal record.
- Compare Colfax-Mingo Jr/Sr High School against another school. Compare schools
- Colfax-Mingo Comm School District'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-Mingo Jr/Sr High School
How many students attend Colfax-Mingo Jr/Sr High School?
Colfax-Mingo Jr/Sr High School has 287 students enrolled. It is a public school in Colfax, IA.
What is the student-teacher ratio at Colfax-Mingo Jr/Sr High School?
The student-teacher ratio at Colfax-Mingo Jr/Sr High School is 10.6:1, which is 28% lower than the Iowa average of 14.8:1 and 32% lower 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-Mingo Jr/Sr High School?
34.2% of students at Colfax-Mingo Jr/Sr High School are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of Colfax-Mingo Jr/Sr High School?
The largest demographic group at Colfax-Mingo Jr/Sr High School is White at 86.4% of enrollment, in Colfax, IA.
What is the Resource Investment Index for Colfax-Mingo Jr/Sr High School?
Colfax-Mingo Jr/Sr High School has a Resource Investment Index of 58/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Colfax-Mingo Jr/Sr High School a good school?
Colfax-Mingo Jr/Sr High School earns 58/100 on the Resource Investment Index, with class sizes smaller than 90% of Iowa 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 Colfax-Mingo Comm School District?
Besides Colfax-Mingo Jr/Sr High School, Colfax-Mingo Comm School District also operates Colfax-Mingo Elementary School (399 students). See the Colfax-Mingo Comm School District 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.