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Average

#978 of 2,216 schools in MO

Top 44% in state

Mark Twain Elem.

Elementary School · BRENTWOOD

2350 ST. CLAIR AVE, Brentwood, MO 63144

Enrollment

159

Student-Teacher

8.4:1

Score

6.5

Grades

Kindergarten – 5th

Updated 2022-23

How this school compares

In Brentwood

#5 of 5

public schools

Missouri elementary schools

#528 of 1,202

In district

#5 of 5

BRENTWOOD

School environment

9.8 / 10

Exceptional

About Mark Twain Elem.

Mark Twain Elementary serves 159 students in kindergarten through fifth grade in Brentwood, Missouri, delivering exceptional academic outcomes in an intimate learning environment. With just 19 full-time equivalent teachers, the school maintains an impressive 8.4:1 student-teacher ratio that allows for personalized attention and strong student-educator relationships. The school's academic excellence is reflected in its outstanding 8.6 out of 10 MySchoolScout rating and remarkable #16 ranking among Missouri's 2234 elementary schools, placing it in the 99th percentile statewide.

Students demonstrate solid proficiency rates with 67% scoring proficient or above in both English Language Arts and mathematics across all grade levels, earning the school a 9.6 out of 10 academic score. Mark Twain Elementary draws from a well-educated and affluent community where 76% of residents hold bachelor's degrees or higher, and the median household income reaches $95,276. The neighborhood's low 6% poverty rate and median home values of $274,800 reflect a stable, supportive environment for families prioritizing education.

Located on St. Clair Avenue in this large suburban setting of St. Louis County, Mark Twain Elementary provides students with access to both excellent educational resources and the advantages of a close-knit community atmosphere.

What Parents Should Know

With an enrollment of 159 students, Mark Twain Elem. is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 8.4:1, Mark Twain Elem. offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress3.4Fair50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-4.35 pts/yr
Data Period2019–2022
TrendDeclining
Academics9.6Exceptional30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency67%
Reading/ELA Proficiency67%
Overall Proficiency67%
Expected (poverty-adj.)53%
vs. Expected+14.0 pts
Adjusted Percentile93th
College ReadinessNot Available

Data not available for this school

Resources & Environment9.8Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio8.4:1
Per-Pupil Spending$20,215

Mark Twain Elem. — Students at Mark Twain Elem. score 67% proficient, which is above what's typical for similar communities (expected: 53%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

18.2%

Students qualifying for federal meal assistance

Test Scores MO EDFACTS (2021-22)

Math Proficiency 70.3%
School
State
N/A
ELA Proficiency 72.0%
School
State
N/A

Based on 6 test records from MO state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
77%
ELA
82%
2021*
Math
67%
ELA
67%
2022
Math
67%
ELA
67%

* 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: 3.4/10.

How Mark Twain Elem. Compares

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

Overall Score
6.5/10
56th percentile in MO
Academic
9.6/10
9.6/10
Growth
3.4/10
Below average
Environment
9.8/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
18%
Teaching Staff
8:1 student-teacher ratio
19 teachers

Location

2350 ST. CLAIR AVE, Brentwood, MO 63144

Nearby Alternatives

Families considering Mark Twain Elem. may also want to explore other elementary schools in the area. AVERY ELEM. (rated 8.9/10, 0.9 miles away, in nearby St. Louis), which scores notably higher. Another option is GLENRIDGE ELEM. (rated 8.8/10, 1.8 miles away, in nearby Clayton), which scores notably higher. Additionally, MCGRATH ELEM. (rated 7.9/10, 0.6 miles away), which scores notably higher. For more schools in Brentwood, see our Brentwood schools guide .

Nearby Schools

20 within 1.8 mi
School Distance Rating
ST MARY MAGDALEN SCHOOL Brentwood 0.3 mi 6.6
BRENTWOOD MIDDLE Brentwood 0.6 mi 9.2
BRENTWOOD HIGH Brentwood 0.6 mi 6.9
MCGRATH ELEM. Brentwood 0.6 mi 7.9
BRENTWOOD EARLY CHILDHD CENTER Brentwood 0.6 mi 7.3
AVERY ELEM. St. Louis 0.9 mi 8.9
THE WALDORF SCHOOL OF ST LOUIS St. Louis 1.0 mi 6.6
MRH EARLY CHILDHOOD CENTER Maplewood 1.0 mi 7.7
MAPLEWOOD-RICHMOND HGTS. HIGH Maplewood 1.1 mi 7.3
MRH MIDDLE Maplewood 1.1 mi 7.2
LITTLE FLOWER CATHOLIC SCHOOL St. Louis 1.3 mi 6.9
THE COLLEGE SCHOOL St. Louis 1.5 mi 7.4
IMMACOLATA SCHOOL St. Louis 1.6 mi 6.8
HOLY REDEEMER SCHOOL Webster Groves 1.7 mi 4.7
DR. HENRY GIVENS JR. ELEM. St. Louis 1.4 mi 7.8
HOLY CROSS ACADEMY St. Louis 1.7 mi 6.1
GREAT CIRCLE EDGEWOOD CHILDREN'S CENTER St. Louis 1.6 mi 7.1
WEBSTER GROVES HIGH St. Louis 1.8 mi 8.4
FAITH ACADEMY St. Louis 1.7 mi
GLENRIDGE ELEM. Clayton 1.8 mi 8.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 63144 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$91,312

Median Home Value

$278,800

Median Rent

$1,429/mo

Population

9,580

College Educated

75.4%

Homeownership

60.2%

Avg Commute

19.6 min

Poverty Rate

5.3%

Median Age

34.8

Community Profile

The community surrounding Mark Twain Elem. has a median household income of $91,312. It is a well-educated community where 75% of adults hold a bachelor's degree or higher. The median home value in the area is $278,800, with a median rent of $1,429/month. The local poverty rate of 5.3% is relatively low. The average commute for residents is 20 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

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

School Rating
COLUMBIA ELEM. COMM. ED. CTR. St. Louis, MO 6.5
IMMANUEL LUTHERAN SCHOOL Olivette, MO 6.5
LEE'S SUMMIT ELEM. Lee's Summit, MO 6.5
PROCTER ELEM. Independence, MO 6.5
SHELDON ELEM. Sheldon, MO 6.5
ST CHARLES BORROMEO ACCADMY Kansas City, MO 6.5

Frequently Asked Questions

Common questions about Mark Twain Elem.

What grades does Mark Twain Elem. serve?

Mark Twain Elem. serves students in grades Kindergarten through 5th.

How many students attend Mark Twain Elem.?

Mark Twain Elem. has an enrollment of approximately 159 students.

What is the student-teacher ratio at Mark Twain Elem.?

The student-teacher ratio at Mark Twain Elem. is 8.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mark Twain Elem. rank in MO?

Mark Twain Elem. is ranked #978 out of 2,216 schools in MO.

What is Mark Twain Elem.'s MySchoolScout rating?

Mark Twain Elem. has a composite rating of 6.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Mark Twain Elem.?

Based on the most recent state assessment data, Mark Twain Elem. has 70.3% math proficiency and 72.0% reading/ELA proficiency.

Is Mark Twain Elem. a charter school?

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

Is Mark Twain Elem. a Title I school?

No, Mark Twain Elem. is not currently a Title I school.

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

18.2% of students at Mark Twain 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

City Safety
High (4,039/100K)

FBI UCR 2024. City-level (Brentwood). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 5th
Enrollment
159
Student-Teacher Ratio
8.4:1
Teachers (FTE)
19
Free/Reduced Lunch
18.2%
Type
regular
Setting
Large Suburb
County
St. Louis County
Data Year
2023–2024

District

BRENTWOOD
District Enrollment
796
Schools in District
5
Per-Pupil Spending
$22,646
District Rank
#5 of 5

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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