Enrollment
243
Missouri · 2024-25 NCES data
High school (grades 9-12) · Diamond, MO
Diamond High
Federal NCES profile for Diamond High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 291080000366
👥 S:T ratio 54
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 51
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Diamond High earns 38/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #2 of 3
- public schools in Diamond · Resource Index
- 38
- Resource Index · Typical
- 11.6:1
- students per teacher
- 40.3%
- free-lunch eligible
Diamond High has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Diamond High ranks #2 of 3 public schools in Diamond, MO.
School address
District: Diamond R-Iv · Missouri
NCES ID 291080000366 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 12.8:1 Missouri avg
-9% vs state
Free-lunch eligible
40.3%
vs 46.1% Missouri avg
-13% vs state
Student-teacher ratio in context
How Diamond High compares with Missouri and U.S. medians
What stands out at Diamond High
Diamond High is a mid-sized high school in Diamond, Missouri, enrolling 243 students.
Class sizes run a bit leaner than typical: 11.6:1 puts it in the smaller third of Missouri schools by student-teacher ratio.
Its free-meal eligibility rate of 40.3% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
With 243 students, its enrollment sits close to the Missouri median campus size.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Against 417 statewide peers matched on enrollment and economic need, it ranks mid-pack at #294.
Its student body is predominantly White (82% of enrollment) (diversity index 31/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 243 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 22.6% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 21.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Diamond R-Iv also operates Diamond Elem. (332 students) and Diamond Middle (212 students) alongside Diamond 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 Diamond High compares
Diamond High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.6:1 | ▼ 9% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 40.3% | ▼ 13% | 46.1% | 51.7% |
| Enrollment | 243 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
243
Bigger than 24% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
40.3%
free-lunch eligible
- 13% 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
11.6:1
students per teacher
- 9% below state mean
Top 36% in Missouri - lower ratio than 64% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.6%
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
$12,438
per pupil, district-wide
- below Missouri avg of $12,931
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 243 students, the combined health-and-guidance staffing load for this school.
Discipline context
23
in-school suspensions + 16 out-of-school
Suspension rate: 9.5 per 100 students. Combined in-school and out-of-school rate: 16.0 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 82.3%
Hispanic or Latino 10.3%
Two or More 3.7%
American Indian / Alaska Native 2.5%
Native Hawaiian / Pacific Islander 0.8%
Asian 0.4%
Largest group: White at 82.3% of enrollment.
Student-body diversity index 31.0/100
Simpson diversity index - at 31.0, Diamond High is about as mixed as the Missouri school average of 31.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Diamond R-Iv, which includes Diamond High.
$12,438
Per student
-4%
vs Missouri
Avg $12,931
-25%
vs U.S.
Avg $16,593
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.
How Diamond High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Diamond Elem. | Larger | Similar economic need | Higher S:T ratio |
| Diamond Middle | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Diamond High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 332
- Students per teacher
- 13.8:1
- Resource Index
- 46/100
- Enrollment
- 212
- Students per teacher
- 16.3:1
- Resource Index
- 40/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~243 students)
Similar student-teacher ratio (~11.6:1)
Next steps
Verify locally before acting on Diamond High's federal record.
- Compare Diamond High against another school. Compare schools
- Diamond R-Iv'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 Diamond High
How many students attend Diamond High?
Diamond High has 243 students enrolled. It is a high school in Diamond, MO.
What is the student-teacher ratio at Diamond High?
The student-teacher ratio at Diamond High is 11.6:1, which is 9% lower than the Missouri average of 12.8:1 and 26% 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 Diamond High?
40.3% of students at Diamond High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Diamond High?
The largest demographic group at Diamond High is White at 82.3% of enrollment, in Diamond, MO.
What is the Resource Investment Index for Diamond High?
Diamond High has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Diamond High rank among public schools in Diamond?
By Resource Investment Index, Diamond High ranks #2 of 3 public schools in Diamond, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Diamond on the city page.
Is Diamond High a good school?
Diamond High earns 38/100 on the Resource Investment Index, with class sizes near the Missouri 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 Diamond R-Iv?
Besides Diamond High, Diamond R-Iv also operates Diamond Elem. (332 students) and Diamond Middle (212 students). See the Diamond R-Iv 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.