- Enrollment
- 860
- Students per teacher
- 11.9:1
- Resource Index
- 45/100
Other / mixed grade configuration · St Louis, MO
Mason Elem.
Federal NCES profile for Mason Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataOther / mixed grade configurationNCES 292928001930
👥 S:T ratio 44
🌟 Gifted program 70
🎓 Counselors 21
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mason Elem. earns 49/100 on the Resource Investment Index, with class sizes larger than 70% of Missouri schools. It is also more racially and ethnically mixed than most Missouri schools.
- #10 of 65
- schools in St Louis · Resource Index
- 49
- Resource Index · Higher
- 14:1
- large classes for Missouri
- 99.2%
- free-lunch eligible
Mason Elem. has class sizes larger than 70% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Mason Elem. ranks #10 of 65 schools in St Louis, MO.
School address
District: St. Louis City · Missouri
NCES ID 292928001930 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Mason Elem. held near 391 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 28.0 → 26.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 292928001930 · St Louis, MO Other · SMALL · TRAD
393 enr · 14:1 · 99.2% lunch · RII 49
Nearest enrollment peer: Gateway High (860 students)
Mason Elem. held near 391 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 28.0 → 26.0 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Mason Elem. in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Gateway High
Gateway High
860 students
- Roosevelt High
Roosevelt High
734 students
- Vashon High
Vashon High
621 students
- Mckinley Class
Mckinley Class. Leadership Ac.
610 students
- Stix Early Chi
Stix Early Childhood Ctr.
472 students
- This school
Mason Elem.
393 students
What this shows Mason Elem. reports 393 students on the CCD universe file.
How Mason Elem. compares
Mason Elem. held steady on CCD headcount: ratios and free-lunch share vs Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▲ 9% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 99.2% | ▲ 115% | 46.1% | 51.7% |
| Enrollment | 393 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
393
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
99.2%
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
14:1
students per teacher
- 9% above state mean
Top 70% in Missouri - lower ratio than 30% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,979
per pupil, district-wide
- above Missouri avg of $14,087
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 393 students, the combined health-and-guidance staffing load for this school.
Discipline context
19
in-school suspensions + 5 out-of-school
Suspension rate: 4.8 per 100 students. Combined in-school and out-of-school rate: 6.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 42.7%
African American 35.9%
Hispanic or Latino 14.0%
Asian 3.1%
Two or More 2.8%
American Indian / Alaska Native 1.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 42.7% of enrollment.
Student-body diversity index 66.7/100
Simpson diversity index - at 66.7, Mason Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
District finance for St. Louis City reports $22,979 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mason Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Gateway High | Larger | Similar economic need | Lower S:T ratio |
| Roosevelt High | Larger | Similar economic need | Higher S:T ratio |
| Vashon High | Larger | Similar economic need | Similar S:T ratio |
| Mckinley Class. Leadership Ac. | Larger | Similar economic need | Similar S:T ratio |
| Stix Early Childhood Ctr. | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mason Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
Nationwide other 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 (~393 students)
Frequently asked questions about Mason Elem.
How many students attend Mason Elem.?
Mason Elem. has 393 students enrolled. It is a public school in St Louis, MO. CCD year-over-year: 389 (2022-23) → 391 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Mason Elem.?
The student-teacher ratio at Mason Elem. is 14:1, which is 9% higher than the Missouri average of 12.8:1 and 11% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Mason Elem.?
99.2% of students at Mason Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Mason Elem.?
The largest demographic group at Mason Elem. is White at 42.7% of enrollment, in St Louis, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.7/100.
What is the Resource Investment Index for Mason Elem.?
Mason Elem. has a Resource Investment Index of 49/100 (higher 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 Mason Elem. rank among schools in St Louis?
By Resource Investment Index, Mason Elem. ranks #10 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.
What other schools are in St. Louis City?
Besides Mason Elem., 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.