Enrollment
345
Elementary
DISTRICT 387 · STATE 315
SCHOOL COMMUNITY·PARKWAY C-2·NCES 292358001385
GREEN TRAILS ELEM.
170 PORTICO DR, CHESTERFIELD, MO 63017 · (314) 415-6250 · St. Louis County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL345 STUDENTS
Student : Teacher
12.8:1
27 FTE teachers
DISTRICT 13.3:1 · STATE 12.4:1
Free / Reduced Lunch
6%
22 students
DISTRICT 17% · STATE 54%
Community
0
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 | 43 | 12% |
| Grade 1 | 56 | 16% |
| Grade 2 | 58 | 17% |
| Grade 3 | 60 | 17% |
| Grade 4 | 67 | 19% |
| Grade 5 | 61 | 18% |
This year's kindergarten class (43) is 30% smaller than its 5th grade class (61).
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · 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
62.8%
MO avg 44.9% . -2.2pp since 2021
Math
58.3%
MO avg 43.8% . -8.2pp since 2021
What this means: On the MAP, Missouri's statewide test, about 63 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 2 points since 2021, while math scores are down about 8 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 32.0% | 30.8% | 28.0% | 8.9% |
| Math | 35.3% | 23.0% | 28.0% | 13.4% |
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 | 62.8% | 58.3% |
| 2023-24 | 56.0% | 55.4% |
| 2022-23 | 64.0% | 63.0% |
| 2021-22 | 65.0% | 66.5% |
% 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
57.1%
composite math + reading, all grades
Predicted
57.5%
based on MO schools with similar FRL share
Beats by
-0.5pp
below demographic expectation
What this means: About 57% 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 GREEN TRAILS ELEM.
GREEN TRAILS ELEM.'s state test result (57.1% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| GREEN TRAILS ELEM. this school | 345 | 6.4% | 57.1% |
| MASON RIDGE ELEM. TOWN & COUNTRY | 405 | 8.1% | 69.8% |
| REED ELEMENTARY ST LOUIS | 410 | 8.3% | 76.6% |
| HIGHCROFT RIDGE ELEM. CHESTERFIELD | 369 | 9.2% | 69.0% |
| OSTMANN ELEM. O'FALLON | 362 | 8.6% | 65.1% |
| EMGE ELEM. O'FALLON | 348 | 11.8% | 68.5% |
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 GREEN TRAILS ELEM. ranks
Among elementary schools| Measure | This school | In Missouri | In St. Louis County |
|---|---|---|---|
| State test proficiency ranked highest first | 57.1% | #178 of 1,002 | #47 of 133 |
| Math proficiency ranked highest first | 58.3% | #186 of 1,019 ▲ 48 | #50 of 138 ▲ 3 |
| Reading proficiency ranked highest first | 62.8% | #115 of 1,018 ▲ 87 | #38 of 138 ▲ 16 |
| 3-year test score change ranked biggest drop first | -5.2pp | #198 of 943 | #9 of 130 |
| Enrollment ranked largest first | 345 | #559 of 1,294 | #101 of 165 |
| Students per teacher ranked fewest first | 12.8:1 | #460 of 950 | #38 of 149 |
| Diversity index ranked most diverse first | 49.2% | #340 of 953 | #50 of 151 |
| Free and reduced lunch ranked highest share first | 6.4% | #1,145 of 1,165 | #138 of 154 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.0% | #189 of 684 | #22 of 103 |
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
345
-46 (-12%) vs 2020
-47% since 1990-91, when it was 646
Student : Teacher
12.8:1
was 13.5:1
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 | 345 | 27 | 12.8:1 | 6% (22) |
| 2023-24 | 363 | 28 | 13.0:1 | 7% (24) |
| 2022-23 | 379 | 28.4 | 13.3:1 | 8% (32) |
| 2020-21 | 391 | 29 | 13.5:1 | 10% (41) |
| 2017-18 | 431 | 29.5 | 14.6:1 | 10% (44) |
| 2015-16 | 426 | 28 | 15.2:1 | 16% (67) |
| 2010-11 | 417 | 33 | 12.6:1 | 9% (39) |
| 2000-01 | 449 | 31 | 14.5:1 | 21% (94) |
| 1990-91 | 646 | 33 | 19.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for GREEN TRAILS ELEM..
Since 2017-18: students down 20% (431 to 345); teachers down 8% (29.5 to 27).
About GREEN TRAILS ELEM.
GREEN TRAILS ELEM. is the name of a medium-sized elementary school in CHESTERFIELD, Missouri. Enrollment is 345 students in 2024-25, and the school serves kindergarten through 5.
PARKWAY C-2 has 29 schools; together they serve 16,759 students.
GREEN TRAILS ELEM.'s enrollment is 70% White. Next come 9% Asian, 8% Black, 8% Hispanic, and 6% multiracial. The chance that two students picked at random at GREEN TRAILS ELEM. belong to different racial or ethnic groups, known as the diversity index, is 49%.
The school employs the equivalent of 27 full-time teachers, for a ratio of 12.8:1. Elementary schools in Missouri average about 12.4:1, a similar figure. The free or reduced-price lunch share, often used to gauge student poverty, is 6%. That rate is below the 43% average among public schools in St. Louis County.
On the allk12 BeatsExpectations measure, GREEN TRAILS ELEM. is within a point of the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 57.1% actual, 57.5% predicted. That is outside both the top and bottom 10% in Missouri.
County data help place the school in context: in St. Louis County, median household income is about $82,936, the share of adults with a bachelor's degree or higher is 47%, and roughly 7% of residents are in poverty. GREEN TRAILS ELEM. is among the 275 public schools in St. Louis County.
Of nearby public schools, SHENANDOAH VALLEY ELEM. is the closest, at about 1.1 miles. The count of other public schools within five miles is at least 8. Among its closest neighbors with test data, GREEN TRAILS ELEM. is 4th of 9 on proficiency.
GREEN TRAILS ELEM. has an NCES locale of Suburb: Large.
The 2024-25 enrollment of 345 was 12% lower than in 2020-21, when it was 391.
If you have questions about sports schedules, lunch menus, and spirit week at GREEN TRAILS ELEM., you can post them here. Posting is open to anyone connected to the school.
St. Louis County at a glance
View full county profilePopulation
995,569
Census ACS
Median income
$82,936
Household, ACS
Bachelor's+
47%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
275
134,601 students
Quick facts
Related schools
Other schools in PARKWAY C-2
- SOUTH HIGHHigh · 1,485 students
- WEST HIGHHigh · 1,417 students
- CENTRAL HIGHHigh · 1,281 students
- NORTH HIGHHigh · 990 students
- CENTRAL MIDDLEMiddle · 881 students
- WEST MIDDLEMiddle · 814 students
Other schools in CHESTERFIELD
- MARQUETTE SR. HIGHHigh · 2,095 students
- CENTRAL HIGHHigh · 1,281 students
- CENTRAL MIDDLEMiddle · 881 students
- WEST MIDDLEMiddle · 814 students
- ROCKWOOD CTR. EARLY CHILD. ED.Elementary · 646 students
- KEHRS MILL ELEM.Elementary · 555 students
Nearby schools
- SHENANDOAH VALLEY ELEM.1.1 mi · 387
- CENTRAL MIDDLE1.3 mi · 881
- CENTRAL HIGH1.3 mi · 1,281
- RIVER BEND ELEM.1.6 mi · 380
- HIGHCROFT RIDGE ELEM.2.1 mi · 369
- BELLERIVE ELEM.2.8 mi · 400
Frequently asked questions
About GREEN TRAILS ELEM.How large is GREEN TRAILS ELEM.?
GREEN TRAILS ELEM. enrolls approximately 345 students in grades KG-05.
What grades does GREEN TRAILS ELEM. serve?
GREEN TRAILS ELEM. serves grades KG-05.
How many teachers does GREEN TRAILS ELEM. have?
GREEN TRAILS ELEM. employs 27 FTE teachers, for a student-to-teacher ratio of 12.8:1.
What is the student diversity at GREEN TRAILS ELEM.?
Student demographics at GREEN TRAILS ELEM. are roughly 70% White, 8% Hispanic, 8% Black, 9% Asian, 6% Two or more.
Who oversees GREEN TRAILS ELEM.?
GREEN TRAILS ELEM. is overseen by PARKWAY C-2 in St. Louis County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.