Enrollment
627
Missouri · 2024-25 NCES data
High school (grades 9-12) · St Clair, MO
St. Clair High
Federal NCES profile for St. Clair 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 292910001864
👥 S:T ratio 47
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 58
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
St. Clair High earns 38/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #4 of 5
- public schools in St Clair · Resource Index
- 38
- Resource Index · Typical
- 13.3:1
- students per teacher
- 39.5%
- free-lunch eligible
St. Clair High has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, St. Clair High ranks #4 of 5 public schools in St Clair, MO.
School address
District: St. Clair R-Xiii · Missouri
NCES ID 292910001864 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 12.8:1 Missouri avg
+4% vs state
Free-lunch eligible
39.5%
vs 46.1% Missouri avg
-14% vs state
Student-teacher ratio in context
How St. Clair High compares with Missouri and U.S. medians
What stands out at St. Clair High
St. Clair High is a large high school in St Clair, Missouri, enrolling 627 students.
At 13.3:1, its student-teacher ratio sits close to the Missouri median, within a few percentage points of the 12.8:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 39.5% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
Enrollment of 627 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 367 statewide peers matched on enrollment and economic need, it ranks mid-pack at #198.
Its student body is predominantly White (92% of enrollment) (diversity index 15/100).
On the academic-pipeline side it reports 2 Advanced Placement courses.
Counselor coverage is strong, about 209 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 21.1% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 19.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 136 in- and out-of-school suspensions were reported for 627 students in the 2021-22 Civil Rights Data Collection.
St. Clair R-Xiii also operates St. Clair Jr. High (451 students) and St. Clair Elem. (441 students) alongside St. Clair 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 St. Clair High compares
St. Clair 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 | 13.3:1 | ▲ 4% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 39.5% | ▼ 14% | 46.1% | 51.7% |
| Enrollment | 627 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
627
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
39.5%
free-lunch eligible
- 14% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.3:1
students per teacher
- 4% above state mean
Top 60% in Missouri - lower ratio than 40% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
21.1%
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
$11,193
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
Counselors3.0 FTE
Per 209 students, the combined health-and-guidance staffing load for this school.
Discipline context
67
in-school suspensions + 69 out-of-school
Suspension rate: 10.7 per 100 students. Combined in-school and out-of-school rate: 21.7 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 92.3%
Two or More 5.3%
African American 1.0%
Hispanic or Latino 1.0%
American Indian / Alaska Native 0.3%
Asian 0.2%
Largest group: White at 92.3% of enrollment.
Student-body diversity index 14.5/100
Simpson diversity index - at 14.5, St. Clair High is less mixed than the Missouri school average of 31.0.
Programs
AP courses offered 2
Funding & spending
District-wide per-pupil expenditure for St. Clair R-Xiii, which includes St. Clair High.
$11,193
Per student
-13%
vs Missouri
Avg $12,931
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 44.2%
State 36.6%
Federal 19.2%
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 St. Clair High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| St. Clair Jr. High | Smaller | Similar economic need | Similar S:T ratio |
| St. Clair Elem. | Smaller | Similar economic need | Similar S:T ratio |
| Edgar Murray Elem. | Smaller | Similar economic need | Similar S:T ratio |
| Franklin Co. Specl. Ed. Coop. | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to St. Clair High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 451
- Students per teacher
- 13.3:1
- Resource Index
- 40/100
- Enrollment
- 441
- Students per teacher
- 14.2:1
- Resource Index
- 48/100
- Enrollment
- 429
- Students per teacher
- 13:1
- Resource Index
- 49/100
- Enrollment
- 114
- Students per teacher
- 5.2:1
- Resource Index
- 55/100
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 (~627 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on St. Clair High's federal record.
- Compare St. Clair High against another school. Compare schools
- St. Clair R-Xiii'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 St. Clair High
How many students attend St. Clair High?
St. Clair High has 627 students enrolled. It is a high school in St Clair, MO.
What is the student-teacher ratio at St. Clair High?
The student-teacher ratio at St. Clair High is 13.3:1, which is 4% higher than the Missouri average of 12.8:1 and 15% lower than the national average of 15.7:1.
What percentage of students receive free lunch at St. Clair High?
39.5% of students at St. Clair High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of St. Clair High?
The largest demographic group at St. Clair High is White at 92.3% of enrollment, in St Clair, MO.
What is the Resource Investment Index for St. Clair High?
St. Clair High has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does St. Clair High rank among public schools in St Clair?
By Resource Investment Index, St. Clair High ranks #4 of 5 public schools in St Clair, 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 St Clair on the city page.
Is St. Clair High a good school?
St. Clair 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 St. Clair R-Xiii?
Besides St. Clair High, St. Clair R-Xiii also operates St. Clair Jr. High (451 students), St. Clair Elem. (441 students), and Edgar Murray Elem. (429 students). See the St. Clair R-Xiii 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.