Elementary school (grades K-5) · St Louis, MO

Kratz Elem.

Federal NCES profile for Kratz Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.

2024-25 NCES dataElementary school (grades K-5)NCES 292664001569
0/100100/10046/100
👥 S:T ratio
54
🌟 Gifted program
70
🎓 Counselors
53
📋 Attendance
9
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#29 of 47
elementary schools in St Louis · Resource Index
46
Resource Index · Typical
11.6:1
students per teacher
99.4%
free-lunch eligible

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.

School address

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

Student-teacher ratio in context

How Kratz Elem. compares with Missouri and U.S. medians

At or below state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Kratz Elem.

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

How Kratz Elem. compares

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

11.6:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
474
Bigger than 58% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
99.4%
free-lunch eligible - 116% 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
11.6:1
students per teacher - 9% below state mean
Top 36% in Missouri - lower ratio than 64% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
36.5%
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
$11,730
per pupil, district-wide - below Missouri avg of $12,931
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 237 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 28 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.9 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 46.8%
Hispanic or Latino 28.7%
White 14.3%
Two or More 9.5%
Asian 0.4%
American Indian / Alaska Native 0.2%

Largest group: African American at 46.8% of enrollment.

Student-body diversity index 66.9/100

Simpson diversity index - at 66.9, Kratz Elem. is more mixed than the Missouri school average of 31.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Ritenour, which includes Kratz Elem..

$11,730
Per student
-9%
vs Missouri
Avg $12,931
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 57.5%
State 35.6%
Federal 6.9%

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 Kratz Elem. Compares to District-Mates

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.

Other Schools in This District

Ritenour · 5 sibling schools

View district profile

Similar elementary 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.

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.

Frequently asked questions about Kratz Elem.

How many students attend Kratz Elem.?

Kratz Elem. has 474 students enrolled. It is an elementary school in St Louis, MO.

What is the student-teacher ratio at Kratz Elem.?

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.

What percentage of students receive free lunch at Kratz Elem.?

99.4% of students at Kratz Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.

What is the racial and ethnic makeup of Kratz Elem.?

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.

What is the Resource Investment Index for Kratz Elem.?

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).

How does Kratz Elem. rank among elementary schools in St Louis?

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.

Is Kratz Elem. a good school?

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.

What other schools are in Ritenour?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.