Enrollment
266
Missouri · 2024-25 NCES data
Other / mixed grade configuration · St Louis, MO
Washington Montessori
Federal NCES profile for Washington Montessori, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataOther / mixed grade configurationNCES 292928002572
👥 S:T ratio 47
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 5
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Washington Montessori earns 32/100 on the Resource Investment Index, with class sizes near the Missouri median.
- #48 of 65
- schools in St Louis · Resource Index
- 32
- Resource Index · Typical
- 13.3:1
- students per teacher
- 98.9%
- free-lunch eligible
Washington Montessori has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Washington Montessori ranks #48 of 65 schools in St Louis, MO.
School address
District: St. Louis City · Missouri
NCES ID 292928002572 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 12.8:1 Missouri avg
+4% vs state
Free-lunch eligible
98.9%
vs 46.1% Missouri avg
+115% vs state
Student-teacher ratio in context
How Washington Montessori compares with Missouri and U.S. medians
What stands out at Washington Montessori
Washington Montessori is a high-poverty, mid-sized combined-grade school in St Louis, Missouri, enrolling 266 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.
Economic need is high: 98.9% of students qualify for free meals, 115% above the Missouri average, a Title I-weighted population that federal funding formulas prioritise.
With 266 students, its enrollment sits close to the Missouri median campus size.
Its Resource Investment Index trails 94% of the 2,313 Missouri schools with a score on record, one of the lower results on this measure.
Among 187 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #160, in the lower tier once campus size and economic need are matched.
Its student body is predominantly African American (96% of enrollment) (diversity index 7/100).
Counselor coverage runs a bit thin, about 266 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 38.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding St. Louis City spends $17,843 per pupil, 38% above the Missouri average, a better-resourced district than most.
Its district draws 16.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
St. Louis City also operates Gateway High (860 students) and Roosevelt High (734 students) alongside Washington Montessori.
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 Washington Montessori compares
Washington Montessori 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 | 98.9% | ▲ 115% | 46.1% | 51.7% |
| Enrollment | 266 | top 59% | - | - |
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.
266
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
98.9%
free-lunch eligible
- 115% above the Missouri average of 46.1%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
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
38.0%
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
$17,843
per pupil, district-wide
- above Missouri avg of $12,931
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 266 students, the combined health-and-guidance staffing load for this school.
Discipline context
12
in-school suspensions + 6 out-of-school
Suspension rate: 4.5 per 100 students. Combined in-school and out-of-school rate: 6.8 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
African American 96.2%
Hispanic or Latino 1.9%
White 0.8%
Two or More 0.8%
American Indian / Alaska Native 0.4%
Largest group: African American at 96.2% of enrollment.
Student-body diversity index 7.4/100
Simpson diversity index - at 7.4, Washington Montessori is less mixed than the Missouri school average of 31.0.
Programs
Funding & spending
District-wide per-pupil expenditure for St. Louis City, which includes Washington Montessori.
$17,843
Per student
+38%
vs Missouri
Avg $12,931
+8%
vs U.S.
Avg $16,593
Revenue mix
Local 78.0%
State 5.8%
Federal 16.2%
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 Washington Montessori Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Gateway High | Larger | Similar economic need | Similar S:T ratio |
| Roosevelt High | Larger | Similar economic need | Higher S:T ratio |
| Vashon High | Larger | Similar economic need | Higher S:T ratio |
| Mckinley Class. Leadership Ac. | Larger | Similar economic need | Higher S:T ratio |
| Stix Early Childhood Ctr. | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Washington Montessori's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 860
- Students per teacher
- 11.9:1
- Resource Index
- 45/100
- Enrollment
- 734
- Students per teacher
- 21:1
- Resource Index
- 29/100
- Enrollment
- 621
- Students per teacher
- 15.1:1
- Resource Index
- 42/100
- Enrollment
- 610
- Students per teacher
- 15.3:1
- Resource Index
- 51/100
- Enrollment
- 472
- Students per teacher
- 18.2:1
- Resource Index
- 39/100
Similar other 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 (~266 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Washington Montessori's federal record.
- Compare Washington Montessori against another school. Compare schools
- St. Louis City'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 Washington Montessori
How many students attend Washington Montessori?
Washington Montessori has 266 students enrolled. It is a public school in St Louis, MO.
What is the student-teacher ratio at Washington Montessori?
The student-teacher ratio at Washington Montessori 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 Washington Montessori?
98.9% of students at Washington Montessori are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Washington Montessori?
The largest demographic group at Washington Montessori is African American at 96.2% of enrollment, in St Louis, MO.
What is the Resource Investment Index for Washington Montessori?
Washington Montessori has a Resource Investment Index of 32/100 (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).
How does Washington Montessori rank among schools in St Louis?
By Resource Investment Index, Washington Montessori ranks #48 of 65 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 schools in St Louis on the city page.
Is Washington Montessori a good school?
Washington Montessori earns 32/100 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. Louis City?
Besides Washington Montessori, St. Louis City also operates Gateway High (860 students), Roosevelt High (734 students), and Vashon High (621 students). See the St. Louis City 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.