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St. Lawrence County

New York · Public K-12

On the public-school side, St. Lawrence County (New York) totals 40 K-12 campuses and roughly 13,653 students. Median household income is around $62,850. The level mix is 15 elementary, 6 middle, and 12 high schools.

7-year change in St. Lawrence County

SY 2017-18 vs SY 2024-25
Total enrollment
13,653
-1,681 (-11%) vs SY 2017-18
School count
39
+1 (+3%) vs SY 2017-18
% White
92%
was 94%
% Hispanic
2%
was 1%
% Black
1%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Residents
107,226
all ages · ACS 5-yr
Schools
40
19 districts
Enrollment
13,653
students · NCES CCD
Median income
$62,850
Below New York avg
Free/reduced lunch
45.0%
Below New York avg
Elementary
15
5,103 students
Middle
6
2,106 students
High
12
3,915 students
Combined / other
7
2,529 students
LARGEST DISTRICT
MASSENA CENTRAL SCHOOL DISTRICT
2,469 students · 19 districts in St. Lawrence County

County vs. school enrollment demographics

Left bar is the racial makeup of St. Lawrence 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
92%
Hispanic
3%
Black
2%
Asian
1%
Two or more
4%
Native American
1%
Pacific Islander
0%
School enrollment
White
92%
Hispanic
1%
Black
1%
Asian
1%
Two or more
2%
Native American
3%
Pacific Islander
0%
Bachelor's+
25.3%
adults 25+
Poverty rate
11.5%
ACS 5-year
Unemployment
5.3%
civilian labor
Median age
39
19.9% under 18

Test scores in St. Lawrence County

Latest 2024-25 ELA proficiency, 37 schools ranked. New York state average: 58.3%.

See all 37 schools in St. Lawrence County ranked by score →

All schools (40)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
MASSENA SENIOR HIGH SCHOOLMassenaHigh09-12743·
OGDENSBURG FREE ACADEMYOgdensburgHigh07-12646·
LISBON CENTRAL SCHOOLLisbonCombinedPK-12540·
LAWRENCE AVENUE ELEMENTARY SCHOOLPotsdamElementaryPK-04526·
GOUVERNEUR ELEMENTARY SCHOOLGouverneurElementaryPK-04511·
HEUVELTON CENTRAL SCHOOLHeuveltonCombinedPK-12510·
NIGHTENGALE ELEMENTARY SCHOOLMassenaElementaryPK-06454·
JEFFERSON ELEMENTARY SCHOOLMassenaElementaryPK-06452·
GOUVERNEUR HIGH SCHOOLGouverneurHigh09-12450·
GOUVERNEUR MIDDLE SCHOOLGouverneurMiddle05-08447·
MADISON ELEMENTARY SCHOOLMassenaElementaryPK-06432·
JOHN F KENNEDY SCHOOLOgdensburgElementaryPK-06431·
F S BANFORD ELEMENTARY SCHOOLCantonElementaryPK-04408·
A A KINGSTON MIDDLE SCHOOLPotsdamMiddle02-08393·
J WILLIAM LEARY JUNIOR HIGH SCHOOLMassenaMiddle07-08388·
POTSDAM SENIOR HIGH SCHOOLPotsdamHigh09-12373·
SAINT LAWRENCE ELEMENTARY SCHOOLBrasher FallsElementaryPK-04369·
HERMON-DEKALB CENTRAL SCHOOLDekalb JunctionCombinedPK-12363·
COLTON-PIERREPONT CENTRAL SCHOOLColtonCombinedPK-12359·
NORWOOD-NORFOLK ELEMENTARY SCHOOLNorwoodElementaryPK-04341·
H C WILLIAMS SENIOR HIGH SCHOOLCantonHigh09-12332·
MADRID-WADDINGTON JUNIOR-SENIOR HIGH SCHOOLMadridHigh06-12309·
MORRISTOWN CENTRAL SCHOOLMorristownCombinedPK-12307·
MADRID-WADDINGTON ELEMENTARY SCHOOLMadridElementaryPK-07303·
J M MCKENNEY MIDDLE SCHOOLCantonMiddle05-08301·
ST LAWRENCE MIDDLE SCHOOLBrasher FallsMiddle05-08301·
NORWOOD-NORFOLK SCHOOLNorwoodHigh09-12290·
EDWARDS-KNOX ELEMENTARY SCHOOLHermonElementaryPK-06289·
MADILL SCHOOLOgdensburgElementaryPK-06277·
NORWOOD-NORFOLK MIDDLE SCHOOLNorwoodMiddle05-08276·
SAINT LAWRENCE HIGH SCHOOLBrasher FallsHigh09-12276·
HAMMOND CENTRAL SCHOOLHammondCombinedPK-12225·
SAINT LAWRENCE-LEWIS BOCESCantonCombinedKG-12225·
EDWARDS-KNOX JUNIOR-SENIOR HIGH SCHOOLHermonHigh07-12205·
PARISHVILLE-HOPKINTON ELEMENTARY SCHOOLParishvilleElementaryPK-06177·
PARISHVILLE-HOPKINTON JUNIOR-SENIOR HIGH SCHOOLParishvilleHigh07-12159·
CLIFTON-FINE ELEMENTARY SCHOOLStar LakeElementaryPK-06133·
CLIFTON-FINE JUNIOR-SENIOR HIGH SCHOOLStar LakeHigh06-12112·
SAINT LAWRENCE PSYCHIATRIC CENTER CHILDREN & YOUTH SERVICESOgdensburgHigh06-1220·
ST LAWRENCE CORRECTIONAL FACILITYCantonElementaryM-M··

Cities in St. Lawrence County

Canton5 schoolsMassena5 schoolsOgdensburg4 schoolsBrasher Falls3 schoolsGouverneur3 schoolsNorwood3 schoolsPotsdam3 schoolsHermon2 schoolsMadrid2 schoolsParishville2 schoolsStar Lake2 schoolsColton1 schoolDekalb Junction1 schoolHammond1 schoolHeuvelton1 schoolLisbon1 schoolMorristown1 school

About St. Lawrence County

St. Lawrence County is a moderately sized county of about 107,226 residents in New York. Its public-school system teaches approximately 13,653 students across 40 schools.

Stepping back, census numbers show the median household earns about $62,850 a year, about 25% of adults have a bachelor's degree or above, and the federal-poverty share is near 12%. That income level is 19% noticeably below the New York median.

On the level-by-level breakdown, St. Lawrence County comprises 15 elementary schools (5,103 students), 6 middle schools (2,106), 12 high schools (3,915), and 7 combined or other schools.

MASSENA CENTRAL SCHOOL DISTRICT is the biggest district by enrollment, covering about 2,469 students across St. Lawrence County.

Looking at the last 7 years. Combined enrollment now sits at 13,653 students, decreased 11% from the 15,334 reported in SY 2017-18. St. Lawrence County now counts 39 public schools, up from 38 in SY 2017-18.

On this page, the community for St. Lawrence County discusses enrollment trends, district policy changes, and bus-route updates. Members of the local community share what they see day-to-day.

Frequently asked questions

How many public schools are in St. Lawrence County?
St. Lawrence County, New York has 40 public K-12 schools serving approximately 13,653 students.
How many high schools are in St. Lawrence County?
St. Lawrence County, New York has 12 public high schools, serving approximately 3,915 students.
How many middle schools are in St. Lawrence County?
St. Lawrence County, New York has 6 public middle schools, serving approximately 2,106 students.
How many elementary schools are in St. Lawrence County?
St. Lawrence County, New York has 15 public elementary schools, serving approximately 5,103 students.
What is the largest school district in St. Lawrence County?
MASSENA CENTRAL SCHOOL DISTRICT is the largest school district in St. Lawrence County, serving approximately 2,469 students. The county contains 19 school districts overall.
How many people live in St. Lawrence County?
St. Lawrence County has roughly 107,226 residents according to the latest Census ACS 5-year estimate.
What is the median household income in St. Lawrence County?
Median household income in St. Lawrence County is $62,850, below the New York average of $77,785. About 11.5% of residents live below the federal poverty line.
How educated are residents of St. Lawrence County?
Approximately 25.3% of adults 25 and older in St. Lawrence County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in St. Lawrence County qualify for free or reduced lunch?
Roughly 45.0% of students in St. Lawrence County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is lower than the New York county average of 48.7%.
What is the student-teacher ratio in St. Lawrence County schools?
Across St. Lawrence County public schools, the enrollment-weighted student-teacher ratio is approximately 11.1 to 1.

St. Lawrence County school rankings

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