Enrollment
625
Missouri · 2024-25 NCES data
Elementary school (grades K-5) · Lake St Louis, MO
Duello Elem.
Federal NCES profile for Duello Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataElementary school (grades K-5)NCES 293165003080
👥 S:T ratio 44
🌟 Gifted program 70
🎓 Counselors 22
📋 Attendance 63
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Duello Elem. earns 50/100 on the Resource Investment Index, with class sizes near the Missouri median.
- 50
- Resource Index · Higher
- 13.9:1
- students per teacher
- 1.6%
- free-lunch eligible
- 625
- students enrolled
Duello Elem. has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
School address
District: Wentzville R-Iv · Missouri
NCES ID 293165003080 Verify on NCES CCD record →
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
13.9:1
vs 12.8:1 Missouri avg
+9% vs state
Free-lunch eligible
1.6%
vs 46.1% Missouri avg
-97% vs state
Student-teacher ratio in context
How Duello Elem. compares with Missouri and U.S. medians
What stands out at Duello Elem.
Duello Elem. is a lower-poverty, large elementary school in Lake St Louis, Missouri, enrolling 625 students.
Class loads run somewhat heavier than typical: 13.9:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Comparatively few students face economic hardship here, 1.6% free-meal eligibility runs 97% below the Missouri average.
Enrollment of 625 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 139 statewide peers matched on enrollment and economic need, it ranks mid-pack at #74.
Its student body is led by White (77%) and Two or More (7%) (diversity index 39/100).
Counselor availability sits well past the ASCA benchmark, roughly 391 students sharing each counselor, though short of the most stretched campuses.
15.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Wentzville R-Iv also operates Liberty High School (1,647 students) and Timberland High (1,525 students) alongside Duello 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 Duello Elem. compares
Duello 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 | 13.9:1 | ▲ 9% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 1.6% | ▼ 97% | 46.1% | 51.7% |
| Enrollment | 625 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.9:1
Leaner classes than 58% of US schools, a middle-of-the-pack class size.
625
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
1.6%
free-lunch eligible
- 97% below the Missouri average of 46.1%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.9:1
students per teacher
- 9% above state mean
Top 68% in Missouri - lower ratio than 32% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$11,959
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
Counselors1.6 FTE
Per 391 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 2 out-of-school
Suspension rate: 2.2 per 100 students. Combined in-school and out-of-school rate: 2.6 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
White 77.3%
Two or More 7.0%
African American 6.1%
Asian 5.1%
Hispanic or Latino 4.0%
American Indian / Alaska Native 0.5%
Largest group: White at 77.3% of enrollment.
Student-body diversity index 39.0/100
Simpson diversity index - at 39.0, Duello Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Wentzville R-Iv, which includes Duello Elem..
$11,959
Per student
-8%
vs Missouri
Avg $12,931
-28%
vs U.S.
Avg $16,593
Revenue mix
Local 60.1%
State 34.4%
Federal 5.6%
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 Duello Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Liberty High School | Larger | Similar economic need | Higher S:T ratio |
| Timberland High | Larger | Similar economic need | Similar S:T ratio |
| North Point High School | Larger | Similar economic need | Higher S:T ratio |
| Frontier Middle | Larger | Similar economic need | Similar S:T ratio |
| Wentzville South Middle | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Duello Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,647
- Students per teacher
- 18.3:1
- Resource Index
- 31/100
- Enrollment
- 1,525
- Students per teacher
- 14:1
- Resource Index
- 34/100
- Enrollment
- 1,433
- Students per teacher
- 21.7:1
- Resource Index
- 30/100
- Enrollment
- 1,243
- Students per teacher
- 15.2:1
- Resource Index
- 42/100
- Enrollment
- 1,068
- Students per teacher
- 14.8:1
- Resource Index
- 39/100
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.
Similar enrollment (~625 students)
Similar student-teacher ratio (~13.9:1)
Next steps
Verify locally before acting on Duello Elem.'s federal record.
- Compare Duello Elem. against another school. Compare schools
- Wentzville R-Iv'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 Duello Elem.
How many students attend Duello Elem.?
Duello Elem. has 625 students enrolled. It is an elementary school in Lake St Louis, MO.
What is the student-teacher ratio at Duello Elem.?
The student-teacher ratio at Duello Elem. is 13.9:1, 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 Duello Elem.?
1.6% of students at Duello Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Duello Elem.?
The largest demographic group at Duello Elem. is White at 77.3% of enrollment, in Lake St Louis, MO.
What is the Resource Investment Index for Duello Elem.?
Duello Elem. has a Resource Investment Index of 50/100 (higher 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).
Is Duello Elem. a good school?
Duello Elem. earns 50/100 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 Wentzville R-Iv?
Besides Duello Elem., Wentzville R-Iv also operates Liberty High School (1,647 students), Timberland High (1,525 students), and North Point High School (1,433 students). See the Wentzville R-Iv 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.