Enrollment
782
Missouri · 2024-25 NCES data
High school (grades 9-12) · St Charles, MO
Federal NCES profile for St. Charles High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
St. Charles High earns 41/100 on the Resource Investment Index, with class sizes smaller than 76% of Missouri schools.
St. Charles High has class sizes smaller than 76% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, St. Charles High ranks #4 of 5 high schools in St Charles, MO.
NCES ID 292892001848 Verify on NCES CCD record →
Enrollment
782
Missouri · 2024-25 NCES data
Teachers (FTE)
73.0
Federal CCD staff survey
Students per teacher
10.7:1
vs 12.8:1 Missouri avg
-16% vs state
Free-lunch eligible
34.6%
vs 46.1% Missouri avg
-25% vs state
How St. Charles High compares with Missouri and U.S. medians
Smaller classes than state median
10.7:1 - 2.1 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
St. Charles High is a large high school in St Charles, Missouri, enrolling 782 students.
Class sizes run a bit leaner than typical: 10.7:1 puts it in the smaller third of Missouri schools by student-teacher ratio.
Its free-meal eligibility rate of 34.6% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Missouri, bigger than 92% of state schools at 782 students.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Against 243 statewide peers matched on enrollment and economic need, it ranks mid-pack at #163.
Its student body is led by White (70%) and Hispanic or Latino (14%) (diversity index 47/100).
On the academic-pipeline side it reports 7 Advanced Placement courses.
Counselor coverage is strong, about 196 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 30.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding St. Charles R-Vi spends $17,118 per pupil, 32% above the Missouri average, a better-resourced district than most.
Discipline events run high: 180 in- and out-of-school suspensions were reported for 782 students in the 2021-22 Civil Rights Data Collection.
St. Charles R-Vi also operates Jefferson Intermediate School (706 students) and Hardin Middle (676 students) alongside St. Charles 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
St. Charles 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 | 10.7:1 | ▼ 16% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 34.6% | ▼ 25% | 46.1% | 51.7% |
| Enrollment | 782 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 70.1% of enrollment.
Simpson diversity index - at 47.0, St. Charles High is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for St. Charles R-Vi, which includes St. Charles High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jefferson Intermediate School | Similar size | Similar economic need | Similar S:T ratio |
| Hardin Middle | Similar size | Similar economic need | Similar S:T ratio |
| St. Charles West High | Similar size | Similar economic need | Similar S:T ratio |
| Harris Elem. | Smaller | Similar economic need | Similar S:T ratio |
| Monroe Elem. | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to St. Charles High's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on St. Charles High's federal record.
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.
St. Charles High has 782 students enrolled. It is a high school in St Charles, MO.
The student-teacher ratio at St. Charles High is 10.7:1, which is 16% lower than the Missouri average of 12.8:1 and 32% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
34.6% of students at St. Charles High are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at St. Charles High is White at 70.1% of enrollment, in St Charles, MO.
St. Charles High has a Resource Investment Index of 41/100 (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).
By Resource Investment Index, St. Charles High ranks #4 of 5 high schools in St Charles, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in St Charles on the city page.
St. Charles High earns 41/100 on the Resource Investment Index, with class sizes smaller than 76% of 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.
Besides St. Charles High, St. Charles R-Vi also operates Jefferson Intermediate School (706 students), Hardin Middle (676 students), and St. Charles West High (645 students). See the St. Charles R-Vi district page for the complete list.
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.
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PlainSchools, “St. Charles High, St Charles MO.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/st-charles-high-mo
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