Enrollment
562
Missouri · 2024-25 NCES data
High school (grades 9-12) · St Louis, MO
Federal NCES profile for Bayless Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Bayless Senior High earns 38/100 on the Resource Investment Index, with class sizes larger than 97% of Missouri schools. It is also more racially and ethnically mixed than most Missouri schools.
Bayless Senior High has class sizes larger than 97% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Bayless Senior High ranks #13 of 26 high schools in St Louis, MO.
Enrollment
562
Missouri · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 12.8:1 Missouri avg
+52% vs state
Free-lunch eligible
40.1%
vs 46.1% Missouri avg
-13% vs state
How Bayless Senior High compares with Missouri and U.S. medians
Larger classes than state median
19.4:1 - 6.6 above the Missouri state median of 12.8:1, indicating larger average class loads than typical schools in the state.
Bayless Senior High is a mid-sized high school in St Louis, Missouri, enrolling 562 students.
Class loads run heavy: 19.4:1 is larger than about 97% of Missouri schools and 52% above the 12.8:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 40.1% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
Enrollment of 562 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Among 420 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #310, in the lower tier once campus size and economic need are matched.
Its student body is led by White (63%) and Asian (14%), more mixed than most schools in the state (diversity index 56/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage is strong, about 187 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 18.0% of students chronically absent per the 2021-22 civil-rights collection.
Discipline events run high: 128 in- and out-of-school suspensions were reported for 562 students in the 2021-22 Civil Rights Data Collection.
Bayless also operates Bayless Elementary (858 students) and Bayless Junior High (385 students) alongside Bayless Senior 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
Bayless Senior 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 | 19.4:1 | ▲ 52% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 40.1% | ▼ 13% | 46.1% | 51.7% |
| Enrollment | 562 | top 17% | - | - |
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 63.3% of enrollment.
Simpson diversity index - at 56.1, Bayless Senior High is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Bayless, which includes Bayless Senior 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 |
|---|---|---|---|
| Bayless Elementary | Larger | Similar economic need | Lower S:T ratio |
| Bayless Junior High | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Bayless Senior 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 Bayless Senior 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.
Bayless Senior High has 562 students enrolled. It is a high school in St Louis, MO.
The student-teacher ratio at Bayless Senior High is 19.4:1, which is 52% higher than the Missouri average of 12.8:1 and 24% higher than the national average of 15.7:1.
40.1% of students at Bayless Senior High are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Bayless Senior High is White at 63.3% of enrollment, in St Louis, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.1/100.
Bayless Senior 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).
By Resource Investment Index, Bayless Senior High ranks #13 of 26 high schools in St Louis, 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 Louis on the city page.
Bayless Senior High earns 38/100 on the Resource Investment Index, with class sizes larger than 97% of Missouri schools. It is also more 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.
Besides Bayless Senior High, Bayless also operates Bayless Elementary (858 students) and Bayless Junior High (385 students). See the Bayless 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, “Bayless Senior High, St Louis 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/bayless-senior-high-mo
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