The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·MEHLVILLE R-IX·NCES 292067001123

WASHINGTON MIDDLE

5165 AMBS RD, ST LOUIS, MO 63128 · (314) 467-7600 · St. Louis County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL429 STUDENTS
Enrollment
429
Middle
DISTRICT 546 · STATE 461
Student : Teacher
12.4:1
35 FTE teachers
DISTRICT 13.1:1 · STATE 13.0:1
Free / Reduced Lunch
34%
147 students
DISTRICT 30% · STATE 54%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
124
Grade 7
152
Grade 8
153
Student demographics
White
32576%
DISTRICT 79% · STATE 67%
Hispanic
194%
DISTRICT 4% · STATE 9%
Black
4811%
DISTRICT 8% · STATE 15%
Asian
205%
DISTRICT 4% · STATE 2%
Two+
164%
DISTRICT 4% · STATE 6%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
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
24056%
Female
18944%

Discussions

+ POST

Test scores

MO DVT (Growth) 2024-25 . Growth Percentile vs Peers
English Language Arts
82.4%
MO avg 49.5% . +0.7pp since 2023
Math
46.0%
MO avg 48.7% . -22.0pp since 2023
Source: MO DVT (Growth). All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of MO schools after controlling for student poverty
Actual proficiency
78.8%
composite math + reading, all grades
Predicted
50.6%
based on MO schools with similar FRL share
Beats by
+28.2pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
429
-22 (-5%) vs 2017
Student : Teacher
12.4:1
was 13.3:1
% White
76%
was 78%
% Hispanic
4%
was 2%
% Black
11%
was 12%
% Asian
5%
was 5%
Source: NCES Common Core of Data

About WASHINGTON MIDDLE

WASHINGTON MIDDLE is one of the mid-tier 6-8 campuss in ST LOUIS, Missouri, operated by MEHLVILLE R-IX, with 429 students on its rolls from grades 6 through 8.

Within MEHLVILLE R-IX, which oversees 19 schools and 10,095 students, WASHINGTON MIDDLE is one campus in the system.

On demographics, WASHINGTON MIDDLE records that White students make up the majority at 76%; the rest comes out to 11% Black, 5% Asian, 4% Hispanic, 4% multiracial. The wider county runs roughly 62% White, putting the school's mix noticeably more White than the area baseline.

On the income-and-resources front, WASHINGTON MIDDLE reports 35 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.4:1. The state averages about 13.0:1, putting this campus right in line with peers. Around 34% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. By comparison, St. Louis County runs at roughly 43%, so the school's eligibility rate is meaningfully below the surrounding baseline.

On a demographically-adjusted basis, WASHINGTON MIDDLE ranks in the top 10% of Missouri public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 50.6%; WASHINGTON MIDDLE posts 78.8%, +28.2 points above that line.

Zooming out to the county, the surrounding county (St. Louis County) shows that median household earnings sit near $82,936, about 47% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Across St. Louis County's 275 public schools (combined enrollment of about 134,601 students), WASHINGTON MIDDLE is one campus in the mix.

The closest other public school is TRAUTWEIN ELEM., roughly 0.2 miles away. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), WASHINGTON MIDDLE ranks 3rd on composite proficiency, ahead of the local average of 64.4%.

The campus sits in a bedroom-community setting.

Trend over the last 7 years. Looking back 7 years, enrollment at WASHINGTON MIDDLE has ticked down 5%, going from 451 students in 2018 to 429 in 2025.

On the community side, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

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
WASHINGTON MIDDLE
District
MEHLVILLE R-IX
Address
5165 AMBS RD, ST LOUIS, MO 63128
Phone
(314) 467-7600
County
St. Louis County
Level
Middle
Grade range
06–08
Total enrollment
429
Teachers (FTE)
35
Student–teacher ratio
12.4:1
Free/Reduced lunch
147 (34%)
Locale
21-Suburb: Large
NCES ID
292067001123
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 WASHINGTON MIDDLE
What is the total enrollment at WASHINGTON MIDDLE?
WASHINGTON MIDDLE enrolls approximately 429 students in grades 06-08.
Is WASHINGTON MIDDLE an elementary, middle, or high school?
WASHINGTON MIDDLE is a middle school covering grades 06-08.
How many teachers does WASHINGTON MIDDLE have?
WASHINGTON MIDDLE employs 35 FTE teachers, for a student-to-teacher ratio of 12.4:1.
What is the student diversity at WASHINGTON MIDDLE?
Student demographics at WASHINGTON MIDDLE are roughly 76% White, 4% Hispanic, 11% Black, 5% Asian, 4% Two or more.
Who oversees WASHINGTON MIDDLE?
WASHINGTON MIDDLE is overseen by MEHLVILLE R-IX in St. Louis County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post