1
What's one community event at DUELLO ELEM. more people should show up to?
Community prompt from u/allk12. Replies below.
Enrollment
625
Elementary
DISTRICT 622 · STATE 315
SCHOOL COMMUNITY·WENTZVILLE R-IV·NCES 293165003080
DUELLO ELEM.
1814 DUELLO RD, LAKE ST LOUIS, MO 63367 · (636) 327-6050 · St. Charles County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL625 STUDENTS
B+
allk12 Grade
Scored higher than 70% of Missouri public elementary schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- AThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Missouri public elementary schools
Student : Teacher
13.8:1
45 FTE teachers
DISTRICT 12.6:1 · STATE 12.4:1
Free / Reduced Lunch
6%
39 students
DISTRICT 18% · STATE 54%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 88 | 14% |
| Grade 1 | 98 | 16% |
| Grade 2 | 107 | 17% |
| Grade 3 | 112 | 18% |
| Grade 4 | 101 | 16% |
| Grade 5 | 119 | 19% |
This year's kindergarten class (88) is 26% smaller than its 5th grade class (119).
Student demographics
39%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · STATE 52% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
MAP 2024-25 . % Proficient + AdvancedEnglish Language Arts
59.0%
MO avg 44.9% . +6.8pp since 2021
Math
54.6%
MO avg 43.8% . +8.5pp since 2021
What this means: On the MAP, Missouri's statewide test, about 59 of every 100 students at this school read and write at grade level and about 55 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are up about 7 points since 2021, while math scores are up about 9 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 31.4% | 27.6% | 29.8% | 11.0% |
| Math | 29.5% | 25.1% | 27.6% | 17.6% |
Share of tested students at each MAP level. Each student counts in one level, so a row adds to about 100%.
MAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 59.0% | 54.6% |
| 2023-24 | 57.3% | 58.5% |
| 2022-23 | 56.5% | 53.1% |
| 2021-22 | 52.2% | 46.1% |
% Proficient + Advanced, all students and all tested grades.
Source: MAP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
55.6%
composite math + reading, all grades
Predicted
57.6%
based on MO schools with similar FRL share
Beats by
-2.0pp
below demographic expectation
What this means: About 56% of students here test proficient in math and reading, compared with the roughly 58% typical for Missouri schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Missouri's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like DUELLO ELEM.
DUELLO ELEM.'s state test result (55.6% proficient) is higher than 2 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| DUELLO ELEM. this school | 625 | 6.2% | 55.6% |
| WARREN ELEM. ST PETERS | 729 | 9.9% | 71.5% |
| KENNERLY ELEM. ST LOUIS | 496 | 6.7% | 61.0% |
| CLAYMONT ELEM. BALLWIN | 460 | 7.4% | 55.0% |
| ROCKWOOD CTR. EARLY CHILD. ED. CHESTERFIELD | 646 | 5.7% | N/A |
| EUREKA ELEM. EUREKA | 519 | 8.7% | 54.4% |
Matched among Missouri elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where DUELLO ELEM. ranks
Among elementary schools| Measure | This school | In Missouri | In St. Charles County |
|---|---|---|---|
| State test proficiency ranked highest first | 55.6% | #202 of 1,002 | #17 of 45 |
| Math proficiency ranked highest first | 54.6% | #243 of 1,019 ▼ 57 | #25 of 45 ▼ 9 |
| Reading proficiency ranked highest first | 59.0% | #169 of 1,018 ▲ 20 | #18 of 45 ▲ 5 |
| 3-year test score change ranked biggest gain first | +7.7pp | #181 of 943 | #6 of 44 |
| Enrollment ranked largest first | 625 | #54 of 1,294 | #15 of 55 |
| Students per teacher ranked fewest first | 13.8:1 | #662 of 950 | #48 of 51 |
| Diversity index ranked most diverse first | 39.0% | #463 of 953 | #41 of 51 |
| Free and reduced lunch ranked highest share first | 6.2% | #1,148 of 1,165 | #54 of 55 |
| Enrollment change since 2017-18 ranked steepest decline first | -18.0% | #232 of 684 | #11 of 33 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
625
-70 (-10%) vs 2020
0% since 2010-11, when it was 622
Student : Teacher
13.8:1
was 13.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 625 | 45.2 | 13.8:1 | 6% (39) |
| 2023-24 | 647 | 45.8 | 14.1:1 | 6% (39) |
| 2022-23 | 644 | 45.8 | 14.1:1 | 3% (19) |
| 2020-21 | 695 | 52 | 13.4:1 | 6% (40) |
| 2017-18 | 762 | 49.7 | 15.3:1 | 8% (63) |
| 2015-16 | 795 | 52 | 15.3:1 | 24% (193) |
| 2010-11 | 622 | 41 | 15.2:1 | 30% (184) |
Source: NCES Common Core of Data. Rows are the federal collections on file for DUELLO ELEM..
Since 2017-18: students down 18% (762 to 625); teachers down 9% (49.7 to 45.2).
About DUELLO ELEM.
At 1814 DUELLO RD in LAKE ST LOUIS, Missouri, DUELLO ELEM. operates as a large elementary school. The school enrolls 625 students, from kindergarten through 5. Average enrollment for elementary schools in Missouri is about 315, so this school runs 98% above that.
DUELLO ELEM. reports to WENTZVILLE R-IV, which has 22 schools and 18,469 students.
At 77%, White students outnumber all other groups at DUELLO ELEM. combined. It is also 7% multiracial, 6% Black, 5% Asian, and 4% Hispanic. The chance that two students picked at random at DUELLO ELEM. belong to different racial or ethnic groups, known as the diversity index, is 39%.
The ratio of students to teachers is 13.8:1, with 45.2 full-time-equivalent teachers on staff. For comparison, elementary schools in Missouri average 12.4:1. The percentage of students eligible for free or reduced-price lunch is 6%. The average for public schools in St. Charles County is 19%.
The allk12 Grade for DUELLO ELEM. is B+. Compared with Missouri public elementary schools, the school scored higher than 70% on a mix of test scores, poverty-adjusted results, and recent trend.
On a poverty-adjusted basis, DUELLO ELEM. falls in the middle 80% of Missouri schools: 55.6% actual against 57.6% predicted.
St. Charles County census figures show that median household income is about $104,692, roughly 43% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. DUELLO ELEM. is among the 93 public schools in St. Charles County.
The nearest other public school, TIMBERLAND HIGH, is about 1.1 miles away. In all, at least 8 other public schools sit within five miles of DUELLO ELEM.. By average proficiency, DUELLO ELEM. is 6th among 9 schools close by.
Its NCES locale code is Suburb: Large: the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
From 2020-21 to 2024-25, DUELLO ELEM. went from 695 students to 625.
Threads on this page can be about school events, clubs, and volunteer needs. Anyone with firsthand experience at this school can post or comment.
St. Charles County at a glance
View full county profilePopulation
414,535
Census ACS
Median income
$104,692
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
93
59,314 students
Quick facts
Related schools
Other schools in WENTZVILLE R-IV
- LIBERTY HIGH SCHOOLHigh · 1,647 students
- TIMBERLAND HIGHHigh · 1,525 students
- NORTH POINT HIGH SCHOOLHigh · 1,433 students
- FRONTIER MIDDLEMiddle · 1,243 students
- WENTZVILLE SOUTH MIDDLEMiddle · 1,068 students
- HERITAGE ELEMENTARYElementary · 1,039 students
Nearby schools
- TIMBERLAND HIGH1.1 mi · 1,525
- WENTZVILLE SOUTH MIDDLE1.1 mi · 1,068
- BOONE TRAIL ELEM.1.3 mi · 479
- STONE CREEK ELEMENTARY1.8 mi · 543
- LIBERTY HIGH SCHOOL2.4 mi · 1,647
- GREEN TREE ELEM.2.4 mi · 640
Frequently asked questions
About DUELLO ELEM.How large is DUELLO ELEM.?
DUELLO ELEM. enrolls approximately 625 students in grades KG-05.
What grades does DUELLO ELEM. serve?
DUELLO ELEM. serves grades KG-05.
How many teachers does DUELLO ELEM. have?
DUELLO ELEM. employs 45 FTE teachers, for a student-to-teacher ratio of 13.8:1.
What is the racial breakdown of students at DUELLO ELEM.?
At DUELLO ELEM., the student body is approximately 77% White, 4% Hispanic, 6% Black, 5% Asian, 7% Two or more.
Is DUELLO ELEM. public or private?
DUELLO ELEM. is a public K-12 school, overseen by WENTZVILLE R-IV.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.