- Enrollment
- 451
- Students per teacher
- 13.3:1
- Resource Index
- 40/100
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 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 292910001864
👥 S:T ratio 47
🌟 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 46/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #4 of 5
- public schools in St Clair · Resource Index
- 46
- 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 →
CCD year-over-year · 2022-23 → 2023-24
-36 students YoY
St. Clair High shrank from 684 students in 2022-23 to 648 in 2023-24 (-5.3%).
Teacher FTE added 47.1 → 47.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-36 students YoY 292910001864 · St Clair, MO High · MID · TRAD
627 enr · 13.3:1 · 39.5% lunch · RII 46
Nearest enrollment peer: St. Clair Jr. High (451 students)
St. Clair High shrank from 684 students in 2022-23 to 648 in 2023-24 (-5.3%). Teacher FTE added 47.1 → 47.9 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
St. Clair High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
St. Clair High
627 students
- St. Clair Jr.
St. Clair Jr. High
451 students
- St. Clair Elem
St. Clair Elem.
441 students
- Edgar Murray E
Edgar Murray Elem.
429 students
- Franklin Co. S 114
Franklin Co. Specl. Ed. Coop.
114 students
What this shows St. Clair High reports 627 students on the CCD universe file.
How St. Clair High compares
St. Clair High is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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
$12,464
per pupil, district-wide
- below Missouri avg of $14,087
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.
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
District finance for St. Clair R-Xiii reports $12,464 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 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
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~627 students)
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. CCD year-over-year: 684 (2022-23) → 648 (2023-24), down 36.
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 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.