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St. Louis County

Missouri · Public K-12

In St. Louis County, Missouri, the public-school system rolls up to 275 schools and roughly 134,601 K-12 students, with county median household income around $82,936. The level mix is 171 elementary, 51 middle, and 49 high schools.

7-year change in St. Louis County

SY 2017-18 vs SY 2024-25
Total enrollment
134,524
-7,373 (-5%) vs SY 2017-18
School count
264
-3 (-1%) vs SY 2017-18
% White
47%
was 50%
% Hispanic
7%
was 5%
% Black
35%
was 36%
% Asian
5%
was 5%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Residents
995,569
all ages · ACS 5-yr
Schools
275
26 districts
Enrollment
134,601
students · NCES CCD
Median income
$82,936
Above Missouri avg
Free/reduced lunch
43.2%
Below Missouri avg
Elementary
171
61,460 students
Middle
51
29,577 students
High
49
42,264 students
Combined / other
4
1,300 students
LARGEST DISTRICT
ROCKWOOD R-VI
19,597 students · 26 districts in St. Louis County

County vs. school enrollment demographics

Left bar is the racial makeup of St. Louis County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".

County residents
White
62%
Hispanic
4%
Black
24%
Asian
5%
Two or more
7%
Native American
0%
Pacific Islander
0%
School enrollment
White
47%
Hispanic
7%
Black
35%
Asian
5%
Two or more
6%
Native American
0%
Pacific Islander
0%
Bachelor's+
47.4%
adults 25+
Poverty rate
6.8%
ACS 5-year
Unemployment
4.3%
civilian labor
Median age
40
22.0% under 18

Test scores in St. Louis County

Latest 2024-25 ELA proficiency, 187 schools ranked. Missouri state average: 49.5%.

Top 5 schools (ELA)
  1. REED ELEMENTARY· 98.0%
  2. THE LEADERSHIP SCHOOL· 96.0%
  3. HIGHLAND ELEM.· 93.0%
  4. EAST MIDDLE· 92.0%
  5. JAMESTOWN ELEM.· 91.7%

See all 187 schools in St. Louis County ranked by score →

All schools (275)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
LINDBERGH SR. HIGHSt. LouisHigh09-122,304·
MARQUETTE SR. HIGHChesterfieldHigh09-122,095·
RITENOUR SR. HIGHSt LouisHigh09-122,041·
HAZELWOOD WEST HIGHHazelwoodHigh09-121,994·
PATTONVILLE SR. HIGHMaryland HeightsHigh09-121,945·
OAKVILLE SR. HIGHSt LouisHigh09-121,847·
HAZELWOOD CENTRAL HIGHFlorissantHigh09-121,718·
KIRKWOOD SR. HIGHKirkwoodHigh09-121,693·
LAFAYETTE SR. HIGHWildwoodHigh09-121,669·
EUREKA SR. HIGHEurekaHigh09-121,586·
SOUTH HIGHManchesterHigh09-121,485·
WEST HIGHBallwinHigh09-121,417·
LADUE HORTON WATKINS HIGHSt LouisHigh09-121,395·
MEHLVILLE HIGH SCHOOLSt LouisHigh09-121,388·
HAZELWOOD EAST HIGHSt LouisHigh09-121,310·
CENTRAL HIGHChesterfieldHigh09-121,281·
WEBSTER GROVES HIGHSt LouisHigh09-121,253·
RIVERVIEW GARDENS SR. HIGHSt LouisHigh09-121,246·
EXTERNAL SITESTown And CountryCombinedPK-121,223·
ROCKWOOD SUMMIT SR. HIGHFentonHigh09-121,194·
CRESTVIEW MIDDLEEllisvilleMiddle06-081,091·
MCCLUER HIGHFlorissantHigh09-121,075·
MCCLUER NORTH HIGHFlorissantHigh09-121,059·
LADUE MIDDLESt LouisMiddle06-081,053·
NORTH HIGHSt LouisHigh09-12990·
HIXSON MIDDLESt LouisMiddle06-08982·
ROBERT H. SPERRENG MIDDLESt LouisMiddle06-08941·
LASALLE SPRINGS MIDDLEWildwoodMiddle06-08927·
SOUTH TECHNICALSunset HillsHigh11-12885·
CENTRAL MIDDLEChesterfieldMiddle06-08881·
UNIVERSITY CITY SR. HIGHUniversity CityHigh09-12874·
BAYLESS ELEMENTARYSt LouisElementaryPK-05858·
NORTH TECHNICALFlorissantHigh10-12833·
ROCKWOOD SOUTH MIDDLEFentonMiddle06-08817·
TRUMAN MIDDLE SCHOOLSt. LouisMiddle06-08816·
WEST MIDDLEChesterfieldMiddle06-08814·
NORTHEAST MIDDLECreve CoeurMiddle06-08812·
SOUTHWEST MIDDLEBallwinMiddle06-08803·
CLAYTON HIGHClaytonHigh09-12788·
NORTHWEST MIDDLEFlorissantMiddle06-08770·
AFFTON HIGHSt LouisHigh09-12761·
MESNIER PRIMARY SCH.St LouisElementaryPK-02741·
RITENOUR MIDDLESt LouisMiddle06-08737·
WEST MIDDLEHazelwoodMiddle06-08724·
NORTH MIDDLEFlorissantMiddle06-08702·
NORTH KIRKWOOD MIDDLEKirkwoodMiddle06-08697·
CENTRAL MIDDLEFlorissantMiddle06-08692·
NORMANDY HIGHSt LouisHigh09-12688·
PATTONVILLE HEIGHTS MIDDLEMaryland HeightsMiddle06-08680·
ROBERT DRUMMOND ELEM.St AnnElementaryPK-05667·
JENNINGS HIGHJenningsHigh09-12666·
HOECH MIDDLESt AnnMiddle06-08664·
NIPHER MIDDLEKirkwoodMiddle06-08660·
HANCOCK PLACE ELEM.LemayElementaryPK-05647·
ROCKWOOD CTR. EARLY CHILD. ED.ChesterfieldElementaryPK-PK646·
ROCKWOOD VALLEY MIDDLEWildwoodMiddle06-08643·
HOLMAN MIDDLESt AnnMiddle06-08639·
OAKVILLE MIDDLESt LouisMiddle06-08629·
GEGGIE ELEM.EurekaElementaryKG-05622·
NMS @ Lucas CrossingSt LouisMiddle06-08620·
CROSS KEYS MIDDLEFlorissantMiddle07-08608·
WYDOWN MIDDLEClaytonMiddle06-08604·
DRESSEL ELEMENTARY SCHOOLSt. LouisElementaryKG-05598·
SELVIDGE MIDDLEBallwinMiddle06-08583·
FERGUSON MIDDLEFergusonMiddle07-08582·
R. G. CENTRAL MIDDLESt LouisMiddle06-08578·
BERNARD MIDDLESt LouisMiddle06-08577·
WESTCHESTER ELEM.KirkwoodElementaryKG-05572·
NORTH GLENDALE ELEM.KirkwoodElementaryKG-05571·
W. W. KEYSOR ELEM.KirkwoodElementaryKG-05565·
BAYLESS SENIOR HIGHSt LouisHigh09-12562·
GOTSCH INTERMEDIATE SCH.St LouisElementary03-05562·
MARVIN ELEM.St LouisElementaryKG-05561·
BRITTANY WOODSUniversity CityMiddle06-08557·
CONCORD ELEM. SCHOOLSt. LouisElementaryKG-05555·
KEHRS MILL ELEM.ChesterfieldElementaryKG-05555·
ROGERS MIDDLESt LouisMiddle06-08555·
MARGARET BUERKLE MIDDLESt LouisMiddle06-08549·
LONG ELEM.St LouisElementaryKG-05545·
WYLAND ELEM.St LouisElementaryKG-05545·
SOUTH MIDDLEManchesterMiddle06-08542·
NORTHVIEW ELEM.JenningsElementaryPK-06540·
MCCURDY ELEM.FlorissantElementaryPK-05538·
WILDWOOD MIDDLEWildwoodMiddle06-08538·
BIERBAUM ELEM.St LouisElementaryKG-05531·
Westview Middle SchoolSaint LouisMiddle06-08524·
EUREKA ELEM.EurekaElementaryKG-05519·
BARRINGTON ELEM.FlorissantElementaryPK-05515·
HENRY ELEM.BallwinElementaryKG-05512·
WALKER ELEM.FlorissantElementaryPK-05508·
SAPPINGTON ELEM.St LouisElementaryKG-05504·
KENNERLY ELEM.St LouisElementaryKG-05496·
MARION ELEM.St LouisElementaryKG-05496·
SOUTHEAST MIDDLESt LouisMiddle06-08491·
JURY ELEM.FlorissantElementaryPK-05480·
ELLISVILLE ELEM.EllisvilleElementaryKG-05474·
KRATZ ELEM.St LouisElementaryKG-05474·
PIERREMONT ELEM.ManchesterElementaryKG-05474·
BUDER ELEM.St AnnElementaryKG-05471·
WILD HORSE ELEM.ChesterfieldElementaryKG-05464·

Cities in St. Louis County

St Louis90 schoolsFlorissant29 schoolsChesterfield14 schoolsBallwin12 schoolsHazelwood9 schoolsKirkwood9 schoolsClayton7 schoolsFerguson7 schoolsJennings7 schoolsSt. Louis7 schoolsUniversity City7 schoolsWildwood7 schoolsFenton6 schoolsMaryland Heights6 schoolsBrentwood5 schoolsManchester5 schoolsEllisville4 schoolsEureka4 schoolsSt Ann4 schoolsCreve Coeur3 schoolsMaplewood3 schoolsSt. Louis3 schoolsSt.Louis3 schoolsValley Park3 schoolsBerkeley2 schoolsFlorissant2 schoolsLemay2 schoolsBridgeton1 schoolCrestwood1 schoolCrestwood1 schoolGlencoe1 schoolLadue1 schoolPacific1 schoolPagedale1 schoolRichmond Heights1 schoolSaint Louis1 schoolSt.Ann1 schoolSunset Hills1 schoolTown & Country1 schoolTown And Country1 schoolTown And Country1 schoolWellston1 school

About St. Louis County

Across the high-population Missouri county of St. Louis County of about 995,569 residents, the public-school footprint covers 275 schools and about 134,601 students.

Zooming out, census numbers show median household income runs near $82,936, about 47% of adults have a bachelor's degree or above, and the federal-poverty share is near 7%. That income level is 35% higher than the Missouri median.

Looking at the level breakdown, St. Louis County is built around 171 elementary schools (61,460 students), 51 middle schools (29,577), 49 high schools (42,264), and 4 combined or other schools.

ROCKWOOD R-VI dominates the local landscape, accounting for roughly 19,597 students on its own.

Trend over the past 7 years. Across the same 7-year window, public-school enrollment decreased 5%: 141,897 students in SY 2017-18 versus 134,524 in SY 2024-25. The school count fell from 267 to 264 across the same 7-year window.

On allk12, the community for St. Louis County discusses enrollment trends, district policy changes, and bus-route updates. Anyone with firsthand knowledge of these schools is welcome to weigh in.

Frequently asked questions

How many public schools are in St. Louis County?
St. Louis County, Missouri has 275 public K-12 schools serving approximately 134,601 students.
How many high schools are in St. Louis County?
St. Louis County, Missouri has 49 public high schools, serving approximately 42,264 students.
How many middle schools are in St. Louis County?
St. Louis County, Missouri has 51 public middle schools, serving approximately 29,577 students.
How many elementary schools are in St. Louis County?
St. Louis County, Missouri has 171 public elementary schools, serving approximately 61,460 students.
What is the largest school district in St. Louis County?
ROCKWOOD R-VI is the largest school district in St. Louis County, serving approximately 19,597 students. The county contains 26 school districts overall.
How many people live in St. Louis County?
St. Louis County has roughly 995,569 residents according to the latest Census ACS 5-year estimate.
What is the median household income in St. Louis County?
Median household income in St. Louis County is $82,936, above the Missouri average of $61,285. About 6.8% of residents live below the federal poverty line.
How educated are residents of St. Louis County?
Approximately 47.4% of adults 25 and older in St. Louis County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in St. Louis County qualify for free or reduced lunch?
Roughly 43.2% of students in St. Louis County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is lower than the Missouri county average of 54.0%.
What is the student-teacher ratio in St. Louis County schools?
Across St. Louis County public schools, the enrollment-weighted student-teacher ratio is approximately 15.3 to 1.

St. Louis County school rankings

Largest schoolsAll rankings →
DATA · Census ACS 5-year · NCES Common Core of Data