DUELLO ELEM.
Score 77.6/100: better than 77% of Missouri elementary schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2024-25)
% Proficient or Advanced on state tests in Missouri, all students. Colored bars are green when the school is at or above the average for similar Missouri schools.
Results over time
How this school's published results have moved year by year.
All 10 published results by grade and test
As published by Missouri Department of Elementary and Secondary Education. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | Grade 3 | MAP | 57.6 | 111 |
| English language arts | Grade 4 | MAP | 67.3 | 104 |
| English language arts | Grade 5 | MAP | 52.9 | 117 |
| English language arts | All grades | MAP | 59 | 318 |
| Math | Grade 3 | MAP | 56.7 | 111 |
| Math | Grade 4 | MAP | 73 | 104 |
| Math | Grade 5 | MAP | 35.8 | 117 |
| Math | All grades | MAP | 54.6 | 318 |
| Science | Grade 5 | MAP | 46.1 | 117 |
| Science | All grades | MAP | 45.9 | 113 |
School profile
- Grades
- K-5
- Students
- 647
- Type
- Elementary school
- Charter school
- No
- Program
- Regular
Students
District and location
Contact
Lake St Louis, MO 63367
"Typical" is the middle (median) elementary school in Missouri. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby elementary schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Lake St Louis
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
Missouri publishes the percentage of students at each performance level; we add up the levels it counts as proficient.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
DUELLO ELEM. at a glance
DUELLO ELEM. is a public elementary school in Lake St Louis, Missouri, serving grades K-5. It is part of the Wentzville R-Iv school district. It has about 647 students (a typical Missouri elementary school has 331). About 6% of students are eligible for free or reduced-price lunch, compared with 50% at a typical Missouri elementary school, which is useful context when reading test results.
In 2024-25 state tests, 59% in English language arts (similar schools: 45%) and 55% in math (similar schools: 44%) reached the state standard (% Proficient or Advanced). On our score, which compares it only with other Missouri elementary schools, it scores 77.6 out of 100: better than 77% of them, ranking #222 of 991. Its English language arts result was broadly unchanged from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.