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What's one thing TWIN CHIMNEYS ELEM. gets right about preparing students for what comes next?
Community prompt from u/allk12. Replies below.
Enrollment
488
Elementary
DISTRICT 430 · STATE 315
SCHOOL COMMUNITY·FORT ZUMWALT SCHOOL DISTRICT·NCES 290837000619
TWIN CHIMNEYS ELEM.
7396 TWIN CHIMNEYS BLVD, O'FALLON, MO 63368 · (636) 240-0093 · St. Charles County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL488 STUDENTS
B+
allk12 Grade
Scored higher than 68% of Missouri public elementary schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- DThree-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
12.9:1
38 FTE teachers
DISTRICT 12.2:1 · STATE 12.4:1
Free / Reduced Lunch
8%
40 students
DISTRICT 20% · 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 | 72 | 15% |
| Grade 1 | 71 | 15% |
| Grade 2 | 86 | 18% |
| Grade 3 | 85 | 17% |
| Grade 4 | 86 | 18% |
| Grade 5 | 88 | 18% |
This year's kindergarten class (72) is 18% smaller than its 5th grade class (88).
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · 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
62.3%
MO avg 44.9% . -4.6pp since 2021
Math
58.4%
MO avg 43.8% . -7.4pp since 2021
What this means: On the MAP, Missouri's statewide test, about 62 of every 100 students at this school read and write at grade level and about 58 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are down about 5 points since 2021, while math scores are down about 7 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 29.4% | 32.9% | 27.5% | 10.0% |
| Math | 28.6% | 29.8% | 23.6% | 17.8% |
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 | 62.3% | 58.4% |
| 2023-24 | 62.0% | 57.4% |
| 2022-23 | 67.2% | 60.7% |
| 2021-22 | 66.9% | 65.8% |
% 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
60.0%
composite math + reading, all grades
Predicted
56.8%
based on MO schools with similar FRL share
Beats by
+3.2pp
above demographic expectation
What this means: About 60% of students here test proficient in math and reading, compared with the roughly 57% 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 TWIN CHIMNEYS ELEM.
TWIN CHIMNEYS ELEM.'s state test result (60.0% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| TWIN CHIMNEYS ELEM. this school | 488 | 8.2% | 60.0% |
| GREEN PINES ELEM. WILDWOOD | 423 | 10.9% | 61.7% |
| CHESTERFIELD ELEM. CHESTERFIELD | 389 | 6.4% | 79.2% |
| CONWAY ELEMENTARY ST LOUIS | 392 | 5.1% | 82.1% |
| OAK BROOK ELEM. BALLWIN | 401 | 10.0% | 59.2% |
| WOERTHER ELEM. BALLWIN | 423 | 11.1% | 59.6% |
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 TWIN CHIMNEYS ELEM. ranks
Among elementary schools| Measure | This school | In Missouri | In St. Charles County |
|---|---|---|---|
| State test proficiency ranked highest first | 60.0% | #140 of 1,002 | #13 of 45 |
| Math proficiency ranked highest first | 58.4% | #183 of 1,019 ▲ 16 | #17 of 45 ▲ 1 |
| Reading proficiency ranked highest first | 62.3% | #124 of 1,018 ▼ 9 | #15 of 45 ▼ 1 |
| 3-year test score change ranked biggest drop first | -6.0pp | #167 of 943 | #4 of 44 |
| Enrollment ranked largest first | 488 | #178 of 1,294 | #25 of 55 |
| Students per teacher ranked fewest first | 12.9:1 | #479 of 950 | #32 of 51 |
| Diversity index ranked most diverse first | 50.2% | #328 of 953 | #19 of 51 |
| Free and reduced lunch ranked highest share first | 8.2% | #1,133 of 1,165 | #52 of 55 |
| Enrollment change since 2017-18 ranked fastest growth first | +5.9% | #158 of 251 | #8 of 13 |
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
488
-3 (-1%) vs 2020
-37% since 2000-01, when it was 769
Student : Teacher
12.9:1
was 11.7:1
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 | 488 | 37.9 | 12.9:1 | 8% (40) |
| 2023-24 | 510 | 40.5 | 12.6:1 | 8% (41) |
| 2022-23 | 537 | 42.2 | 12.7:1 | 7% (35) |
| 2020-21 | 491 | 42 | 11.7:1 | 8% (37) |
| 2017-18 | 461 | 35.8 | 12.9:1 | 8% (39) |
| 2015-16 | 448 | 29 | 15.4:1 | 8% (34) |
| 2010-11 | 625 | 36 | 17.4:1 | 10% (64) |
| 2000-01 | 769 | 40 | 19.2:1 | 1% (6) |
Source: NCES Common Core of Data. Rows are the federal collections on file for TWIN CHIMNEYS ELEM..
Since 2017-18: students up 6% (461 to 488); teachers up 6% (35.8 to 37.9).
About TWIN CHIMNEYS ELEM.
TWIN CHIMNEYS ELEM. is a large elementary school in Missouri, with an address in O'FALLON. School enrollment was 488 students in 2024-25, in kindergarten through 5. For comparison, elementary schools in Missouri average about 315 students.
FORT ZUMWALT SCHOOL DISTRICT serves 16,698 students across 25 schools.
TWIN CHIMNEYS ELEM.'s enrollment is 68% White. The remaining shares are 15% Asian, 8% multiracial, 5% Black, and 3% Hispanic. Census estimates put the White share of St. Charles County's population at about 84%. By the diversity index, TWIN CHIMNEYS ELEM. comes in at 50%.
The teaching staff at TWIN CHIMNEYS ELEM. is 37.9 full-time-equivalent teachers, and the ratio is 12.9:1. Across elementary schools in Missouri, the average ratio is about 12.4:1. The percentage of students eligible for free or reduced-price lunch is 8%. Public schools in St. Charles County average 19%.
TWIN CHIMNEYS ELEM. is graded B+ by allk12, scoring above 68% of Missouri public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
TWIN CHIMNEYS ELEM. is 3.2 points above its predicted average proficiency rate on state tests (60.0% versus 56.8%), which places it in neither the top nor the bottom 10% in Missouri.
St. Charles County census figures show that median household income is about $104,692, about 43% of adults have at least a bachelor's degree, and the poverty rate is about 4%. A total of 93 public schools operate in St. Charles County, serving about 59,314 students.
The closest public school to TWIN CHIMNEYS ELEM. is OSTMANN ELEM., about 0.6 miles away. Other public schools within five miles number at least 8. Among 8 nearby schools that report test results, TWIN CHIMNEYS ELEM. ranks 3rd on proficiency.
The federal government classifies TWIN CHIMNEYS ELEM.'s location as Suburb: Large.
There was little change in enrollment from 2020-21 (491) to 2024-25 (488). From 2020-21 to 2024-25, the ratio rose from 11.7:1 to 12.9:1.
Threads on this page can be about enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.
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 FORT ZUMWALT SCHOOL DISTRICT
- FT. ZUMWALT WEST HIGHHigh · 1,643 students
- FT. ZUMWALT NORTH HIGHHigh · 1,538 students
- FT. ZUMWALT SOUTH HIGHHigh · 1,212 students
- FT. ZUMWALT EAST HIGHHigh · 1,171 students
- FT. ZUWMALT WEST MIDDLEMiddle · 1,114 students
- FT. ZUMWALT NORTH MIDDLEMiddle · 1,019 students
Other schools in O'FALLON
- FT. ZUMWALT WEST HIGHHigh · 1,643 students
- FT. ZUMWALT NORTH HIGHHigh · 1,538 students
- FRONTIER MIDDLEMiddle · 1,243 students
- FT. ZUWMALT WEST MIDDLEMiddle · 1,114 students
- FT. ZUMWALT NORTH MIDDLEMiddle · 1,019 students
- PRAIRIE VIEW ELEM.Elementary · 696 students
Nearby schools
- OSTMANN ELEM.0.6 mi · 362
- CROSSROADS ELEM.1.0 mi · 757
- BARFIELD EARLY CHILDHOOD CNTR1.5 mi · 356
- PRAIRIE VIEW ELEM.1.7 mi · 696
- DARDENNE ELEM.1.7 mi · 445
- EMGE ELEM.1.8 mi · 348
Frequently asked questions
About TWIN CHIMNEYS ELEM.How many students attend TWIN CHIMNEYS ELEM.?
TWIN CHIMNEYS ELEM. enrolls approximately 488 students in grades KG-05.
What grades does TWIN CHIMNEYS ELEM. serve?
TWIN CHIMNEYS ELEM. serves grades KG-05.
How many students per teacher at TWIN CHIMNEYS ELEM.?
Approximately 12.9:1 students per teacher at TWIN CHIMNEYS ELEM..
How diverse is TWIN CHIMNEYS ELEM.?
TWIN CHIMNEYS ELEM. reports a student body of 68% White, 3% Hispanic, 5% Black, 15% Asian, 8% Two or more.
Who oversees TWIN CHIMNEYS ELEM.?
TWIN CHIMNEYS ELEM. is overseen by FORT ZUMWALT SCHOOL DISTRICT in St. Charles County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.