Enrollment
212
Missouri · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 291080000572
Diamond Middle — Diamond, MO
Federal NCES profile for Diamond Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 44/100.
👥 Class size 49
🌟 Gifted program 30
🎓 Counselors 58
📋 Attendance 39
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Diamond R-Iv · Missouri
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 12.9:1 Missouri avg
-1% vs state
Free-lunch eligible
43.1%
vs 46.1% Missouri avg
-7% vs state
Student-teacher ratio in context
How Diamond Middle compares with Missouri and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Diamond Middle reports 212 enrolled students to the National Center for Education Statistics (NCES) alongside 13.0 full-time-equivalent teachers, producing a 12.8:1 student-teacher ratio. That figure sits 1% below the Missouri state mean of 12.9:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 19% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 43.1% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 7% below the Missouri average and 17% below the national baseline. Counselor coverage works out to roughly 212 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 24.5% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Diamond R-Iv spends $13,366 per pupil district-wide, below the Missouri average of $15,248 and below the national average of $19,490. Revenue comes 47.1% from local sources (property taxes), 31.5% from the state, and 21.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 44/100 (D), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Diamond Middle compares
Cross-validating school-level NCES values against Missouri state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.8:1 | ▼ 1% | 12.9:1 | 15.9:1 |
| Free-lunch eligible | 43.1% | ▼ 7% | 46.1% | 51.8% |
| Enrollment | 212 | top 32% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
43.1%
free-lunch eligible
— 7% below the Missouri average of 46.1%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
12.8:1
students per teacher
— 1% below state mean
Top 49% in Missouri — lower ratio than 51% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
24.5%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$13,366
per pupil, district-wide
— below Missouri avg of $15,248
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 212 students — the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 8 out-of-school
Suspension rate: 5.2 per 100 students. Combined in-school and out-of-school rate: 9.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 212 Top 32% in Missouri — larger than 68% of 2,321 state schools
Teachers (FTE) 13.0
Students per teacher 12.8:1 -1% vs state
Free-lunch eligible 43.1% -7% vs state
NCES ID 291080000572
Student demographics
White 87.7%
Two or More 3.8%
American Indian / Alaska Native 3.3%
Hispanic or Latino 2.8%
African American 1.4%
Native Hawaiian / Pacific Islander 0.9%
Largest group: White at 87.7% of enrollment.
Programs & staff
Counselors (FTE) 1.0
Students per counselor 212:1
Discipline & special education
Chronically absent 24.5%
In-school suspensions 11
Out-of-school suspensions 8
Funding & spending
District-wide per-pupil expenditure for Diamond R-Iv, which includes Diamond Middle.
$13,366
Per student
-12%
vs Missouri
Avg $15,248
-31%
vs U.S.
Avg $19,490
Revenue mix
Local 47.1%
State 31.5%
Federal 21.4%
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.
Other Schools in This District
- Enrollment
- 332
- Students per teacher
- 14.5:1
- Enrollment
- 243
- Students per teacher
- 11.8:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Diamond Middle
How many students attend Diamond Middle?
Diamond Middle has 212 students enrolled. It is a middle school in DIAMOND, MO.
What is the student-teacher ratio at Diamond Middle?
The student-teacher ratio at Diamond Middle is 12.8:1, which is 1% lower than the Missouri average of 12.9:1 and 19% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Diamond Middle?
43.1% of students at Diamond Middle are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Diamond Middle?
The largest demographic group at Diamond Middle is White at 87.7%. The school serves a diverse student body in DIAMOND, MO.
What is the Resource Investment Index for Diamond Middle?
Diamond Middle has a Resource Investment Index of 44/100 (D) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.