Enrollment
247
Missouri · 2024-25 NCES data
Other / mixed grade configuration · Silex, MO
Silex High
Federal NCES profile for Silex High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataOther / mixed grade configurationNCES 292829001748
👥 S:T ratio 34
🌟 Gifted program 30
🎓 Counselors 51
📋 Attendance 49
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Silex High earns 41/100 on the Resource Investment Index, with class sizes larger than 90% of Missouri schools. It is also less racially and ethnically mixed than most Missouri schools.
- 41
- Resource Index · Typical
- 16.5:1
- large classes for Missouri
- 18.7%
- free-lunch eligible
- 247
- students enrolled
Silex High has class sizes larger than 90% of Missouri schools. Computed live against every Missouri school reporting to NCES.
School address
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 12.8:1 Missouri avg
+29% vs state
Free-lunch eligible
18.7%
vs 46.1% Missouri avg
-59% vs state
Student-teacher ratio in context
How Silex High compares with Missouri and U.S. medians
What stands out at Silex High
Silex High is a lower-poverty, mid-sized combined-grade school in Silex, Missouri, enrolling 247 students.
Class loads run heavy: 16.5:1 is larger than about 90% of Missouri schools and 29% above the 12.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 18.7% of students eligible for free meals.
With 247 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.
Among 236 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #197, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (98% of enrollment), among the less diverse in the state (diversity index 5/100).
Counselor coverage is strong, about 247 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 20.6% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Silex R-I spends $10,267 per pupil, 21% below the Missouri average, a leaner-resourced district than most.
Its district, Silex R-I, also runs Silex Elem. (186 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 Silex High compares
Silex 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 | 16.5:1 | ▲ 29% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 18.7% | ▼ 59% | 46.1% | 51.7% |
| Enrollment | 247 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
247
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.7%
free-lunch eligible
- 59% below the Missouri average of 46.1%
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
16.5:1
students per teacher
- 29% above state mean
Top 90% in Missouri - lower ratio than 10% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
20.6%
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
$10,267
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 247 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 13 out-of-school
Suspension rate: 2.8 per 100 students. Combined in-school and out-of-school rate: 8.1 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 97.6%
Two or More 1.2%
African American 0.8%
Hispanic or Latino 0.4%
Largest group: White at 97.6% of enrollment.
Student-body diversity index 4.7/100
Simpson diversity index - at 4.7, Silex High is less mixed than the Missouri school average of 31.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Silex R-I, which includes Silex High.
$10,267
Per student
-21%
vs Missouri
Avg $12,931
-38%
vs U.S.
Avg $16,593
Revenue mix
Local 51.0%
State 37.3%
Federal 11.8%
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 Silex High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Silex Elem. | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Silex High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 186
- Students per teacher
- 9.3:1
- Resource Index
- 51/100
Similar other 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 (~247 students)
Similar student-teacher ratio (~16.5:1)
Next steps
Verify locally before acting on Silex High's federal record.
- Compare Silex High against another school. Compare schools
- Silex R-I'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 Silex High
How many students attend Silex High?
Silex High has 247 students enrolled. It is a public school in Silex, MO.
What is the student-teacher ratio at Silex High?
The student-teacher ratio at Silex High is 16.5:1, which is 29% higher than the Missouri average of 12.8:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Silex High?
18.7% of students at Silex High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Silex High?
The largest demographic group at Silex High is White at 97.6% of enrollment, in Silex, MO.
What is the Resource Investment Index for Silex High?
Silex High has a Resource Investment Index of 41/100 (typical 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 Silex High a good school?
Silex High earns 41/100 on the Resource Investment Index, with class sizes larger than 90% of Missouri schools. It is also less racially and ethnically mixed than most Missouri 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 Silex R-I?
Besides Silex High, Silex R-I also operates Silex Elem. (186 students). See the Silex R-I 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.