Enrollment
405
Elementary
DISTRICT 387 · STATE 315
SCHOOL COMMUNITY·PARKWAY C-2·NCES 292358001390
MASON RIDGE ELEM.
715 S MASON RD, TOWN & COUNTRY, MO 63141 · (314) 415-6450 · St. Louis County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL405 STUDENTS
A
allk12 Grade
Scored higher than 89% 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.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C+Three-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
14.5:1
28 FTE teachers
DISTRICT 13.3:1 · STATE 12.4:1
Free / Reduced Lunch
8%
33 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 | 62 | 15% |
| Grade 1 | 61 | 15% |
| Grade 2 | 71 | 18% |
| Grade 3 | 79 | 20% |
| Grade 4 | 70 | 17% |
| Grade 5 | 62 | 15% |
This year's kindergarten class (62) is about the same size as its 5th grade class (62).
Student demographics
43%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
70.7%
MO avg 44.9% . -5.3pp since 2021
Math
67.9%
MO avg 43.8% . +4.6pp since 2021
What this means: On the MAP, Missouri's statewide test, about 71 of every 100 students at this school read and write at grade level and about 68 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 up about 5 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 40.2% | 30.5% | 22.8% | 6.3% |
| Math | 39.8% | 28.1% | 18.9% | 13.1% |
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 | 70.7% | 67.9% |
| 2023-24 | 71.9% | 68.2% |
| 2022-23 | 65.5% | 65.0% |
| 2021-22 | 76.0% | 63.3% |
% 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
69.8%
composite math + reading, all grades
Predicted
56.8%
based on MO schools with similar FRL share
Beats by
+13.0pp
above demographic expectation
What this means: About 70% 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 MASON RIDGE ELEM.
MASON RIDGE ELEM.'s state test result (69.8% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| MASON RIDGE ELEM. this school | 405 | 8.1% | 69.8% |
| ELLISVILLE ELEM. ELLISVILLE | 474 | 9.3% | 62.8% |
| HIGHCROFT RIDGE ELEM. CHESTERFIELD | 369 | 9.2% | 69.0% |
| REED ELEMENTARY ST LOUIS | 410 | 8.3% | 76.6% |
| GREEN TRAILS ELEM. CHESTERFIELD | 345 | 6.4% | 57.1% |
| OSTMANN ELEM. O'FALLON | 362 | 8.6% | 65.1% |
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 MASON RIDGE ELEM. ranks
Among elementary schools| Measure | This school | In Missouri | In St. Louis County |
|---|---|---|---|
| State test proficiency ranked highest first | 69.8% | #44 of 1,002 | #19 of 133 |
| Math proficiency ranked highest first | 67.9% | #70 of 1,019 ▼ 9 | #23 of 138 ▼ 3 |
| Reading proficiency ranked highest first | 70.7% | #41 of 1,018 ▼ 11 | #21 of 138 ▼ 6 |
| 3-year test score change ranked biggest drop first | -0.4pp | #386 of 943 | #45 of 130 |
| Enrollment ranked largest first | 405 | #373 of 1,294 | #62 of 165 |
| Students per teacher ranked fewest first | 14.5:1 | #750 of 950 | #88 of 149 |
| Diversity index ranked most diverse first | 43.3% | #406 of 953 | #65 of 151 |
| Free and reduced lunch ranked highest share first | 8.1% | #1,134 of 1,165 | #129 of 154 |
| Enrollment change since 2017-18 ranked steepest decline first | -14.0% | #320 of 684 | #45 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
405
-19 (-4%) vs 2020
-49% since 1990-91, when it was 791
Student : Teacher
14.5:1
was 16.3:1
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 | 405 | 28 | 14.5:1 | 8% (33) |
| 2023-24 | 398 | 27 | 14.7:1 | 6% (23) |
| 2022-23 | 391 | 28 | 14.0:1 | 9% (34) |
| 2020-21 | 424 | 26 | 16.3:1 | 15% (62) |
| 2017-18 | 471 | 31.4 | 15.0:1 | 11% (51) |
| 2015-16 | 431 | 27 | 16.0:1 | 11% (46) |
| 2010-11 | 389 | 26 | 15.0:1 | 2% (7) |
| 2000-01 | 453 | 28 | 16.2:1 | 13% (60) |
| 1990-91 | 791 | 40 | 19.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for MASON RIDGE ELEM..
Since 2017-18: students down 14% (471 to 405); teachers down 11% (31.4 to 28).
About MASON RIDGE ELEM.
Federal records list MASON RIDGE ELEM. as an elementary school in TOWN & COUNTRY, Missouri. The school reports 405 students in kindergarten through 5. The typical figure for elementary schools in Missouri is about 315 students.
MASON RIDGE ELEM. is part of PARKWAY C-2, where 29 schools serve 16,759 students.
By race and ethnicity, MASON RIDGE ELEM. is 74% White. The school is also 10% Asian, 7% Black, 5% multiracial, and 4% Hispanic. That is higher than the 62% White share among all St. Louis County residents. By the diversity index, MASON RIDGE ELEM. comes in at 43%.
MASON RIDGE ELEM. employs 28 full-time-equivalent teachers. That gives a ratio of about 14.5:1. That ratio is over the 12.4:1 average for elementary schools in Missouri. Free or reduced-price lunch eligibility was 8% in 2024-25. That is lower than the 43% average for public schools in St. Louis County.
allk12 grades MASON RIDGE ELEM. an A. The grade compares the school only with Missouri public elementary schools, because each state gives its own test.
MASON RIDGE ELEM.'s actual average proficiency rate on state tests (69.8%) and its predicted rate (56.8%) put it outside the top and bottom 10% of Missouri schools.
St. Louis County has these Census figures: median household income is about $82,936, about 47% of adults have at least a bachelor's degree, and the poverty rate is about 7%. MASON RIDGE ELEM. is among the 275 public schools in St. Louis County.
HIRAM NEUWOEHNER is the closest public school, about 2.2 miles away in a straight line. There are at least 8 more public schools inside five miles. By average proficiency, MASON RIDGE ELEM. is 1st among 8 schools close by.
In the federal locale system, MASON RIDGE ELEM. is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The 2024-25 enrollment of 405 was 4% lower than in 2020-21, when it was 424. Federal data show the ratio falling from 16.3:1 to 14.5:1.
Discussions about MASON RIDGE ELEM. may include sports tryouts, band and choir, and theater. Alumni can share how the school prepared them.
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
Nearby schools
- HIRAM NEUWOEHNER2.2 mi · 101
- NORTHEAST MIDDLE2.2 mi · 812
- CENTRAL HIGH2.2 mi · 1,281
- EXTERNAL SITES2.2 mi · 1,223
- SOUTH MIDDLE2.3 mi · 542
- BELLERIVE ELEM.2.3 mi · 400
Frequently asked questions
About MASON RIDGE ELEM.What is the total enrollment at MASON RIDGE ELEM.?
MASON RIDGE ELEM. enrolls approximately 405 students in grades KG-05.
What age range does MASON RIDGE ELEM. serve?
MASON RIDGE ELEM. serves students from grade KG through grade 05.
How many students per teacher at MASON RIDGE ELEM.?
Approximately 14.5:1 students per teacher at MASON RIDGE ELEM..
What is the racial breakdown of students at MASON RIDGE ELEM.?
At MASON RIDGE ELEM., the student body is approximately 74% White, 4% Hispanic, 7% Black, 10% Asian, 5% Two or more.
What district is MASON RIDGE ELEM. in?
MASON RIDGE ELEM. is part of PARKWAY C-2.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.