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SCHOOL COMMUNITY·MEHLVILLE R-IX·NCES 292067003320

MOSAIC ELEMENTARY

3701 Will Ave., St. Louis, MO 63125 · (314) 467-7900 · St. Louis County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL258 STUDENTS
Enrollment
258
Elementary
DISTRICT 383 · STATE 315
Student : Teacher
14.5:1
18 FTE teachers
DISTRICT 13.9:1 · STATE 12.4:1
Free / Reduced Lunch
10%
25 students
DISTRICT 30% · 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
Kindergarten
41
Grade 1
45
Grade 2
46
Grade 3
46
Grade 4
41
Grade 5
39
Student demographics
White
21885%
DISTRICT 79% · STATE 67%
Hispanic
104%
DISTRICT 4% · STATE 9%
Black
177%
DISTRICT 8% · STATE 15%
Asian
42%
DISTRICT 4% · STATE 2%
Two+
93%
DISTRICT 4% · STATE 6%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
13552%
Female
12348%

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Test scores

MO DVT (Growth) 2024-25 . Growth Percentile vs Peers
English Language Arts
84.8%
MO avg 49.5% . +35.3pp since 2023
Math
58.1%
MO avg 48.7% . +16.6pp since 2023

What this means: On the MO DVT (Growth), Missouri's statewide test, about 85 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 50 and 49. Reading and writing scores are up about 35 points since 2023, while math scores are up about 17 points.

Source: MO DVT (Growth). All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
50.9%
composite math + reading, all grades
Predicted
51.1%
based on MO schools with similar FRL share
Beats by
-0.2pp
below demographic expectation

What this means: About 51% of students here test proficient in math and reading, compared with the roughly 51% 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 →

About MOSAIC ELEMENTARY

As a modestly sized elementary campus in St. Louis, Missouri, MOSAIC ELEMENTARY enrolls 258 students from grades K through 5, operated by MEHLVILLE R-IX.

Across the 19 schools in MEHLVILLE R-IX (10,095 students total), MOSAIC ELEMENTARY accounts for its share of the district's footprint.

Looking at the student body, MOSAIC ELEMENTARY logs that 85% of students identify as White, making the school strongly White-majority. The remainder is composed of 7% Black, 4% Hispanic, 3% multiracial. The wider county runs roughly 62% White, putting the school's mix noticeably more White than the area baseline.

On the resource side, On paper, MOSAIC ELEMENTARY has 18 full-time-equivalent teachers, translating to a class-load average of around 14.5:1. Statewide, the average ratio sits near 12.4:1, putting MOSAIC ELEMENTARY higher than the state norm the norm. Roughly 10% of students at MOSAIC ELEMENTARY qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, St. Louis County runs at roughly 43%, so the school's eligibility rate is somewhat below the surrounding baseline.

On a demographically-adjusted basis, MOSAIC ELEMENTARY tracks the demographic baseline. The model predicts 51.1% given the school's FRL share; actual proficiency is 50.9%.

Around the school, ACS estimates for St. Louis County put median household income runs about $82,936, 47% of adults hold a bachelor's degree or higher, and the poverty rate sits near 7%. Across St. Louis County's 275 public schools (combined enrollment of about 134,601 students), MOSAIC ELEMENTARY is one campus in the mix.

At Home Academy is the nearest neighboring public school, about 0.2 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts MOSAIC ELEMENTARY at 7th of 9; the average score across the group is 59.7%.

Geographically, the school is in a bedroom-community area.

Inside the community feed, the feed for MOSAIC ELEMENTARY typically covers enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.

St. Louis County at a glance

View full county profile
Population
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

School name
MOSAIC ELEMENTARY
District
MEHLVILLE R-IX
Address
3701 Will Ave., St. Louis, MO 63125
Phone
(314) 467-7900
County
St. Louis County
Level
Elementary
Grade range
KG–05
Total enrollment
258
Teachers (FTE)
18
Student–teacher ratio
14.5:1
Free/Reduced lunch
25 (10%)
Locale
21-Suburb: Large
NCES ID
292067003320
Charter school
No
Virtual school
No

Related schools

Other schools in MEHLVILLE R-IX
Other schools in St. Louis
Nearby schools

Frequently asked questions

About MOSAIC ELEMENTARY
What is the total enrollment at MOSAIC ELEMENTARY?
MOSAIC ELEMENTARY enrolls approximately 258 students in grades KG-05.
What grades does MOSAIC ELEMENTARY serve?
MOSAIC ELEMENTARY serves grades KG-05.
How many teachers does MOSAIC ELEMENTARY have?
MOSAIC ELEMENTARY employs 18 FTE teachers, for a student-to-teacher ratio of 14.5:1.
What is the racial breakdown of students at MOSAIC ELEMENTARY?
At MOSAIC ELEMENTARY, the student body is approximately 85% White, 4% Hispanic, 7% Black, 2% Asian, 3% Two or more.
What district is MOSAIC ELEMENTARY in?
MOSAIC ELEMENTARY is part of MEHLVILLE R-IX.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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