Enrollment
474
Missouri · 2024-25 NCES data
Elementary school (grades K-5) · St Louis, MO
Federal NCES profile for Kratz Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
The verdict
Kratz Elem. earns 46/100 on the Resource Investment Index, with class sizes near the Missouri median. It is also more racially and ethnically mixed than most Missouri schools.
Kratz Elem. has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Kratz Elem. ranks #29 of 47 elementary schools in St Louis, MO.
Enrollment
474
Missouri · 2024-25 NCES data
Teachers (FTE)
41.0
Federal CCD staff survey
Students per teacher
11.6:1
vs 12.8:1 Missouri avg
-9% vs state
Free-lunch eligible
99.4%
vs 46.1% Missouri avg
+116% vs state
How Kratz Elem. compares with Missouri and U.S. medians
At or below state median
11.6:1 - 1.2 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
Kratz Elem. is a high-poverty, mid-sized elementary school in St Louis, Missouri, enrolling 474 students.
Class sizes run a bit leaner than typical: 11.6:1 puts it in the smaller third of Missouri schools by student-teacher ratio.
Economic need is high: 99.4% of students qualify for free meals, 116% above the Missouri average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 474 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 182 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #55.
Its student body is led by African American (47%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 67/100).
Counselor coverage is strong, about 237 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 36.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Ritenour also operates Ritenour Sr. High (2,041 students) and Ritenour Middle (737 students) alongside Kratz Elem..
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
Kratz Elem. on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.6:1 | ▼ 9% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 99.4% | ▲ 116% | 46.1% | 51.7% |
| Enrollment | 474 | top 24% | - | - |
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: African American at 46.8% of enrollment.
Simpson diversity index - at 66.9, Kratz Elem. is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Ritenour, which includes Kratz Elem..
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 |
|---|---|---|---|
| Ritenour Sr. High | Larger | Similar economic need | Higher S:T ratio |
| Ritenour Middle | Larger | Similar economic need | Higher S:T ratio |
| Hoech Middle | Larger | Similar economic need | Similar S:T ratio |
| Marvin Elem. | Similar size | Similar economic need | Higher S:T ratio |
| Wyland Elem. | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Kratz Elem.'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 Kratz Elem.'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.
Kratz Elem. has 474 students enrolled. It is an elementary school in St Louis, MO.
The student-teacher ratio at Kratz Elem. is 11.6:1, which is 9% lower than the Missouri average of 12.8:1 and 26% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
99.4% of students at Kratz Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Kratz Elem. is African American at 46.8% of enrollment, in St Louis, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.9/100.
Kratz Elem. has a Resource Investment Index of 46/100 (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, Kratz Elem. ranks #29 of 47 elementary 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 elementary schools in St Louis on the city page.
Kratz Elem. earns 46/100 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 Kratz Elem., Ritenour also operates Ritenour Sr. High (2,041 students), Ritenour Middle (737 students), and Hoech Middle (664 students). See the Ritenour 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, “Kratz Elem., 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/kratz-elem-mo
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