Enrollment
426
Missouri · 2024-25 NCES data
Middle school (grades 6-8) · St. Louis, MO
Federal NCES profile for Gateway Science Academy Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
The verdict
Gateway Science Academy Middle earns 35/100 on the Resource Investment Index, with class sizes near the Missouri median. It is also more racially and ethnically mixed than most Missouri schools.
Gateway Science Academy Middle has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Gateway Science Academy Middle ranks #3 of 6 middle schools in St. Louis, MO.
NCES ID 290059203244 Verify on NCES CCD record →
Enrollment
426
Missouri · 2024-25 NCES data
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
12.2:1
vs 12.8:1 Missouri avg
-5% vs state
Free-lunch eligible
42.8%
vs 46.1% Missouri avg
-7% vs state
How Gateway Science Academy Middle compares with Missouri and U.S. medians
At or below state median
12.2:1 - 0.6 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
Gateway Science Academy Middle is a mid-sized charter middle school in St. Louis, Missouri, enrolling 426 students.
At 12.2:1, 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 42.8% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
Enrollment of 426 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index trails 91% of the 2,313 Missouri schools with a score on record, one of the lower results on this measure.
Among 484 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #456, in the lower tier once campus size and economic need are matched.
Its student body is led by White (48%) and African American (30%), more mixed than most schools in the state (diversity index 66/100).
Counselor access is stretched at roughly 426 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 20.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 138 in- and out-of-school suspensions were reported for 426 students in the 2021-22 Civil Rights Data Collection.
Gateway Science Acad/St Louis also operates Gateway Science Academy High (461 students) and Gateway Science Acad-South Ele (402 students) alongside Gateway Science Academy Middle.
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
Gateway Science Academy Middle on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▼ 5% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 42.8% | ▼ 7% | 46.1% | 51.7% |
| Enrollment | 426 | top 30% | - | - |
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 48.4% of enrollment.
Simpson diversity index - at 65.6, Gateway Science Academy Middle is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Gateway Science Acad/St Louis, which includes Gateway Science Academy Middle.
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 |
|---|---|---|---|
| Gateway Science Academy High | Similar size | Similar economic need | Higher S:T ratio |
| Gateway Science Acad-South Ele | Similar size | Higher economic need | Similar S:T ratio |
| Gateway Science Acad/St Louis | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Gateway Science Academy Middle'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 Gateway Science Academy Middle'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.
Gateway Science Academy Middle has 426 students enrolled. It is a middle school in St. Louis, MO.
The student-teacher ratio at Gateway Science Academy Middle is 12.2:1, which is 5% lower than the Missouri average of 12.8:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
42.8% of students at Gateway Science Academy Middle are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Gateway Science Academy Middle is White at 48.4% of enrollment, in St. Louis, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.6/100.
Gateway Science Academy Middle has a Resource Investment Index of 35/100 (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).
By Resource Investment Index, Gateway Science Academy Middle ranks #3 of 6 middle 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 middle schools in St. Louis on the city page.
Gateway Science Academy Middle earns 35/100 on the Resource Investment Index, with class sizes near the Missouri median. 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 Gateway Science Academy Middle, Gateway Science Acad/St Louis also operates Gateway Science Academy High (461 students), Gateway Science Acad-South Ele (402 students), and Gateway Science Acad/St Louis (377 students). See the Gateway Science Acad/St Louis 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, “Gateway Science Academy Middle, 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/gateway-science-academy-middle-mo
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