Enrollment
109
Michigan · 2024-25 NCES data
Middle school (grades 6-8) · Iron Mountain, MI
Central Middle School
Federal NCES profile for Central Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 261941005610
👥 S:T ratio 13
🌟 Gifted program 30
🎓 Counselors 13
📋 Attendance 40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Middle School earns 24/100 on the Resource Investment Index, with class sizes larger than 88% of Michigan schools.
- #3 of 3
- public schools in Iron Mountain · Resource Index
- 24
- Resource Index · Lower
- 21.8:1
- large classes for Michigan
- 52.9%
- free-lunch eligible
Central Middle School has class sizes larger than 88% of Michigan schools. Computed live against every Michigan school reporting to NCES.
By Resource Investment Index, Central Middle School ranks #3 of 3 public schools in Iron Mountain, MI.
School address
District: Iron Mountain Public Schools · Michigan
NCES ID 261941005610 Verify on NCES CCD record →
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
21.8:1
vs 17.5:1 Michigan avg
+25% vs state
Free-lunch eligible
52.9%
vs 54.3% Michigan avg
-3% vs state
Student-teacher ratio in context
How Central Middle School compares with Michigan and U.S. medians
What stands out at Central Middle School
Central Middle School is a higher-need, small middle school in Iron Mountain, Michigan, enrolling 109 students.
Class loads run heavy: 21.8:1 is larger than about 88% of Michigan schools and 25% above the 17.5:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 52.9% lands close to the Michigan typical range, neither a high- nor low-need campus by this measure.
Enrollment of 109 puts it in the smaller third of Michigan schools by headcount.
Its Resource Investment Index lands in the lower third of 3,375 scored Michigan schools.
Among 129 similarly sized, similarly resourced-need Michigan schools statewide, it ranks #101, in the lower tier once campus size and economic need are matched.
Its student body is led by White (80%) and Hispanic or Latino (10%) (diversity index 35/100).
Counselor access is stretched at roughly 436 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 23.9% of students chronically absent per the 2021-22 civil-rights collection.
Iron Mountain Public Schools also operates North Elementary School (263 students) and Iron Mountain High School (243 students) alongside Central Middle School.
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 Central Middle School compares
Central Middle School on the metrics families compare, against Michigan and U.S. means.
| Metric | This school | vs Michigan | Michigan avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.8:1 | ▲ 25% | 17.5:1 | 15.7:1 |
| Free-lunch eligible | 52.9% | ▼ 3% | 54.3% | 51.7% |
| Enrollment | 109 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.8:1
Leaner classes than 11% of US schools, heavier class loads than most.
109
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
52.9%
free-lunch eligible
- 3% below the Michigan average of 54.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.8:1
students per teacher
- 25% above state mean
Top 88% in Michigan - lower ratio than 12% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
23.9%
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
$11,852
per pupil, district-wide
- below Michigan avg of $13,507
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
7
in-school suspensions + 13 out-of-school
Suspension rate: 6.4 per 100 students. Combined in-school and out-of-school rate: 18.3 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 79.8%
Hispanic or Latino 10.1%
Two or More 7.3%
Asian 1.8%
African American 0.9%
Largest group: White at 79.8% of enrollment.
Student-body diversity index 34.7/100
Simpson diversity index - at 34.7, Central Middle School is about as mixed as the Michigan school average of 36.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Iron Mountain Public Schools, which includes Central Middle School.
$11,852
Per student
-12%
vs Michigan
Avg $13,507
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 32.5%
State 54.1%
Federal 13.4%
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 Central Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| North Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Iron Mountain High School | Larger | Lower economic need | Lower S:T ratio |
| Imk Community Education | Similar size | Higher economic need | Lower S:T ratio |
| East Elementary School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Central Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 263
- Students per teacher
- 16.4:1
- Resource Index
- 28/100
- Enrollment
- 243
- Students per teacher
- 20.3:1
- Resource Index
- 22/100
- Enrollment
- 99
- Students per teacher
- 19.8:1
- Resource Index
- 25/100
- Enrollment
- 99
- Students per teacher
- 16.5:1
- Resource Index
- 38/100
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Michigan, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~109 students)
Similar student-teacher ratio (~21.8:1)
Next steps
Verify locally before acting on Central Middle School's federal record.
- Compare Central Middle School against another school. Compare schools
- Iron Mountain Public Schools'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 Central Middle School
How many students attend Central Middle School?
Central Middle School has 109 students enrolled. It is a middle school in Iron Mountain, MI.
What is the student-teacher ratio at Central Middle School?
The student-teacher ratio at Central Middle School is 21.8:1, which is 25% higher than the Michigan average of 17.5:1 and 39% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Central Middle School?
52.9% of students at Central Middle School are eligible for free lunch, compared to the Michigan average of 54.3%.
What is the racial and ethnic makeup of Central Middle School?
The largest demographic group at Central Middle School is White at 79.8% of enrollment, in Iron Mountain, MI.
What is the Resource Investment Index for Central Middle School?
Central Middle School has a Resource Investment Index of 24/100 (lower 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).
How does Central Middle School rank among public schools in Iron Mountain?
By Resource Investment Index, Central Middle School ranks #3 of 3 public schools in Iron Mountain, MI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Iron Mountain on the city page.
Is Central Middle School a good school?
Central Middle School earns 24/100 on the Resource Investment Index, with class sizes larger than 88% of Michigan 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 Iron Mountain Public Schools?
Besides Central Middle School, Iron Mountain Public Schools also operates North Elementary School (263 students), Iron Mountain High School (243 students), and Imk Community Education (99 students). See the Iron Mountain Public Schools 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.