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Very Good

#416 of 2,221 schools in MO

Top 19% in state

Mason Elem.

Elementary School · ST. LOUIS CITY

6031 SOUTHWEST AVE, St. Louis, MO 63139

Enrollment

391

Student-Teacher

15:1

Score

7.8

Grades

Pre-K – 6th

Data vintage2022-23

How this school compares

Missouri schools

#416 of 2,221

In St. Louis

#28 of 193

public schools

In district

#5 of 63

ST. LOUIS CITY

School environment

9.4 / 10

Excellent

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Mason Elem.

7.8/10

Elementary School in St. Louis · grades Pre-K – 6th. Start here, then compare fit against nearby and district options.

Gateway Science Acad/st Louis

6.0/10

0.7 mi away. Use as a geographic alternative in the same move search.

Shaw Visual/perf. Arts Ctr.

6.1/10

0.7 mi away. Use as a geographic alternative in the same move search.

About Mason Elem.

Mason Elem. is a public elementary school in St. Louis, MO, part of ST. LOUIS CITY.

Mason Elem. serves approximately 391 students, and covers grades Pre-K-6th, and has a 15:1 student-teacher ratio. Mason Elem. has a current MySchoolScout rating of 7.8 out of 10 and ranks #416 of 2,221 schools in MO. Structured state assessment records for Mason Elem. show 39% math proficiency (multi-year average, 2009-2025) and 43% reading/ELA proficiency (multi-year average, 2009-2025).

How it compares2.5 pts above district
  • This school 7.8 · Very Good
  • District avg 5.3
  • MO avg 6.4

Score Breakdown

Full Profile · 3/3 metrics
Student Progress7.7Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data16
Annual Change+0.85 pts/yr
Data Period2009–2025
TrendStable
Academics6.9Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency40.6% (2025 MAP)
Reading/ELA Proficiency33.6% (2025 MAP)
Math vs. State Avg-8.9 pts
Reading vs. State Avg-12.7 pts
Overall Proficiency37% (2025 MAP, Math+ELA)
Expected (poverty-adj.)25% (model expectation from 2025 MAP)
vs. Expected+11.9 pts
Adjusted Percentile54th
Resources & Environment9.4Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15:1
Per-Pupil Spending$22,979
Chronic Absenteeism18.2%

Mason Elem. — Students at Mason Elem. score 37% proficient, which is above what's typical for similar communities (expected: 25%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

100%

Students qualifying for federal meal assistance

Test Scores MO MAP (2024-25)

Math Proficiency 39.3% (multi-year average, 2009-2025)
School
State
47.7% (multi-year state average, 2024-2025)
ELA Proficiency 42.9% (multi-year average, 2009-2025)
School
State
46.9% (multi-year state average, 2024-2025)

Based on 42 test records from MO state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
47%
ELA
42%
2010
Math
27%
ELA
42%
2011
Math
37%
ELA
37%
2012
Math
42%
ELA
42%
2013
Math
42%
ELA
42%
2014
Math
42%
ELA
52%
2015
Math
67%
ELA
72%
2016
Math
62%
ELA
82%
2017
Math
43%
ELA
55%
2018
Math
41%
ELA
41%
2019
Math
41%
ELA
41%
2020*
Math
22%
ELA
37%
2021*
Math
22%
ELA
37%
2022
Math
22%
ELA
37%
2024
Math
36.5%
ELA
36%
2025
Math
40.6%
ELA
33.6%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.7/10.

How Mason Elem. Compares

See how Mason Elem. performs across key quality dimensions compared to state benchmarks.

Overall Score
7.8/10
81th percentile in MO
Academic
6.9/10
Average
Growth
7.7/10
Very Good
Environment
9.4/10
Excellent
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
100%
Teaching Staff
15:1 student-teacher ratio
26 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
18.2%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

6031 SOUTHWEST AVE, St. Louis, MO 63139

Nearby Alternatives

Families considering Mason Elem. may also want to explore other elementary schools in the area. MRH ELEMENTARY (rated 8.7/10, 1.5 miles away, in nearby Richmond Heights), which scores slightly higher. Another option is BUDER ELEM. (rated 8.3/10, 1.5 miles away), which scores slightly higher. Additionally, BETTY WHEELER CLASSICAL JR. AC (rated 7.4/10, 1.1 miles away), with a comparable rating. For more schools in St. Louis, see our St. Louis schools guide .

Nearby Schools

20 within 1.5 mi
School Distance Rating
GATEWAY SCIENCE ACAD/ST LOUIS St. Louis 0.7 mi 6.0
SHAW VISUAL/PERF. ARTS CTR. St. Louis 0.7 mi 6.1
SOUTH CITY CATHOLIC ACADEMY LEARNING CENTER St. Louis 1.0 mi
PREMIER CHARTER SCHOOL St. Louis 0.9 mi 4.9
MALLINCKRODT A.B.I. ELEM. St. Louis 1.0 mi 7.3
GATEWAY SCIENCE ACADEMY HIGH St. Louis 1.0 mi 7.4
GATEWAY SCIENCE ACADEMY MIDDLE St. Louis 1.0 mi 4.8
WILKINSON EARLY CHILDHOOD CTR. St. Louis 1.1 mi 6.3
BETTY WHEELER CLASSICAL JR. AC St. Louis 1.1 mi 7.4
ST AMBROSE SCHOOL St. Louis 1.0 mi 6.3
CENTRAL VISUAL/PERF. ARTS HIGH St. Louis 1.1 mi 5.2
SOUTH CITY COMMUNITY SCHOOL St. Louis 1.1 mi 5.8
COLLEGIATE SCHOOL OF MED/BIO St. Louis 1.2 mi 9.1
BUDER ELEM. St. Louis 1.5 mi 8.3
GATEWAY HIGH St. Louis 1.3 mi 4.9
DEWEY SCH.-INTERNAT'L. STUDIES St. Louis 1.6 mi 6.4
ST GABRIEL THE ARCHANGEL SCHOOL St. Louis 1.7 mi 5.6
GIANT STEPS OF ST LOUIS Maplewood 1.4 mi
COMPTON-DREW ILC MIDDLE St. Louis 1.6 mi 4.2
MRH ELEMENTARY Richmond Heights 1.5 mi 8.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 63139 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$74,749

Median Home Value

$199,400

Median Rent

$1,086/mo

Population

21,811

College Educated

49.4%

Homeownership

60%

Avg Commute

19.3 min

Poverty Rate

7.3%

Median Age

35.6

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
CEDAR RIDGE ELEMENTARY Branson, MO 7.8
CRESTVIEW ELEMENTARY Kansas City, MO 7.8
ENGLISH LANDING ELEM. Kansas City, MO 7.8
ESPY ELEM. Nixa, MO 7.8
GREENWOOD ELEM. Greenwood, MO 7.8
IMMACULATE CONCEPTION SCHOOL Jefferson City, MO 7.8

Frequently Asked Questions

Common questions about Mason Elem.

What grades does Mason Elem. serve?

Mason Elem. serves students in grades Pre-K through 6th.

How many students attend Mason Elem.?

Mason Elem. has an enrollment of approximately 391 students.

What is the student-teacher ratio at Mason Elem.?

The student-teacher ratio at Mason Elem. is 15:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mason Elem. rank in MO?

Mason Elem. ranks #416 of 2,221 schools in MO.

What is Mason Elem.'s MySchoolScout rating?

Mason Elem. has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Mason Elem.?

Based on loaded state assessment records, Mason Elem. has 39% math proficiency (multi-year average, 2009-2025) and 43% reading/ELA proficiency (multi-year average, 2009-2025).

Is Mason Elem. a charter school?

No, Mason Elem. is not a charter school. It is a traditional public school operated by the local school district.

Is Mason Elem. a Title I school?

No, Mason Elem. is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mason Elem.?

100.0% of students at Mason Elem. qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
75 Very Walkable
Transit Score
31 Some Transit
Bike Score
71 Very Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 6th
Enrollment
391
Student-Teacher Ratio
15:1
Teachers (FTE)
26
Free/Reduced Lunch
100.0%
Type
regular
Setting
Large City
County
St. Louis city
Chronic Absenteeism (SY 2022-23)
18.2%

District

ST. LOUIS CITY
District Enrollment
18,284
Schools in District
68
Per-Pupil Spending
$22,979
District Rank
#5 of 63

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