Enrollment
225
Iowa · 2024-25 NCES data
Other / mixed grade configuration · Martensdale, IA
Martensdale-St Marys Jr-Sr High School
Federal NCES profile for Martensdale-St Marys Jr-Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataOther / mixed grade configurationNCES 191875001097
👥 S:T ratio 53
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Martensdale-St Marys Jr-Sr High School earns 51/100 on the Resource Investment Index, with class sizes smaller than 80% of Iowa schools.
- 51
- Resource Index · Higher
- 11.8:1
- small classes for Iowa
- 19.6%
- free-lunch eligible
- 225
- students enrolled
Martensdale-St Marys Jr-Sr High School has class sizes smaller than 80% of Iowa schools. Computed live against every Iowa school reporting to NCES.
School address
District: Martensdale-St Marys Comm School District · Iowa
NCES ID 191875001097 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 14.8:1 Iowa avg
-20% vs state
Free-lunch eligible
19.6%
vs 36.4% Iowa avg
-46% vs state
Student-teacher ratio in context
How Martensdale-St Marys Jr-Sr High School compares with Iowa and U.S. medians
What stands out at Martensdale-St Marys Jr-Sr High School
Martensdale-St Marys Jr-Sr High School is a lower-poverty, mid-sized combined-grade school in Martensdale, Iowa, enrolling 225 students.
Class sizes run a bit leaner than typical: 11.8:1 puts it in the smaller third of Iowa schools by student-teacher ratio.
Comparatively few students face economic hardship here, 19.6% free-meal eligibility runs 46% below the Iowa average.
Enrollment of 225 puts it in the smaller third of Iowa schools by headcount.
Its Resource Investment Index lands in the upper third of 1,322 scored Iowa schools.
Against 291 statewide peers matched on enrollment and economic need, it ranks mid-pack at #159.
Its student body is predominantly White (93% of enrollment) (diversity index 14/100).
Counselor coverage is strong, about 225 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 28.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Martensdale's public schools, it stands alongside Martensdale Elementary School (307 students): Martensdale-St Marys Jr-Sr High School is smaller than that campus by headcount and runs leaner classes (11.8:1 vs 16.2:1).
Its district, Martensdale-St Marys Comm School District, also runs Martensdale Elementary School (307 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 Martensdale-St Marys Jr-Sr High School compares
Martensdale-St Marys 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 | 11.8:1 | ▼ 20% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 19.6% | ▼ 46% | 36.4% | 51.7% |
| Enrollment | 225 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
225
Bigger than 22% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
19.6%
free-lunch eligible
- 46% below the Iowa average of 36.4%
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
11.8:1
students per teacher
- 20% below state mean
Top 20% in Iowa - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.9%
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
$12,151
per pupil, district-wide
- below 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
Counselors1.0 FTE
Per 225 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 14 out-of-school
Suspension rate: 3.6 per 100 students. Combined in-school and out-of-school rate: 9.8 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 92.9%
Hispanic or Latino 4.4%
African American 1.3%
Two or More 1.3%
Largest group: White at 92.9% of enrollment.
Student-body diversity index 13.5/100
Simpson diversity index - at 13.5, Martensdale-St Marys 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 Martensdale-St Marys Comm School District, which includes Martensdale-St Marys Jr-Sr High School.
$12,151
Per student
-5%
vs Iowa
Avg $12,854
-27%
vs U.S.
Avg $16,593
Revenue mix
Local 48.1%
State 43.2%
Federal 8.7%
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 Martensdale-St Marys Jr-Sr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Martensdale Elementary School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Martensdale-St Marys Jr-Sr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 307
- Students per teacher
- 16.2:1
- Resource Index
- 40/100
Similar other schools in Martensdale
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 (~225 students)
Similar student-teacher ratio (~11.8:1)
Next steps
Verify locally before acting on Martensdale-St Marys Jr-Sr High School's federal record.
- Compare Martensdale-St Marys Jr-Sr High School against another school. Compare schools
- Martensdale-St Marys 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 Martensdale-St Marys Jr-Sr High School
How many students attend Martensdale-St Marys Jr-Sr High School?
Martensdale-St Marys Jr-Sr High School has 225 students enrolled. It is a public school in Martensdale, IA.
What is the student-teacher ratio at Martensdale-St Marys Jr-Sr High School?
The student-teacher ratio at Martensdale-St Marys Jr-Sr High School is 11.8:1, which is 20% lower than the Iowa average of 14.8:1 and 25% 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 Martensdale-St Marys Jr-Sr High School?
19.6% of students at Martensdale-St Marys 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 Martensdale-St Marys Jr-Sr High School?
The largest demographic group at Martensdale-St Marys Jr-Sr High School is White at 92.9% of enrollment, in Martensdale, IA.
What is the Resource Investment Index for Martensdale-St Marys Jr-Sr High School?
Martensdale-St Marys Jr-Sr High School has a Resource Investment Index of 51/100 (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 Martensdale-St Marys Jr-Sr High School a good school?
Martensdale-St Marys Jr-Sr High School earns 51/100 on the Resource Investment Index, with class sizes smaller than 80% 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 Martensdale-St Marys Comm School District?
Besides Martensdale-St Marys Jr-Sr High School, Martensdale-St Marys Comm School District also operates Martensdale Elementary School (307 students). See the Martensdale-St Marys 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.