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Sullivan County

New York · Public K-12

Public K-12 schools in Sullivan County number 20, teaching approximately 9,164 New York students against a population of 79,721. By grade band, the county runs 9 elementary, 2 middle, and 7 high schools.

7-year change in Sullivan County

SY 2017-18 vs SY 2024-25
Total enrollment
9,164
-359 (-4%) vs SY 2017-18
School count
20
+1 (+5%) vs SY 2017-18
% White
47%
was 57%
% Hispanic
39%
was 27%
% Black
7%
was 9%
% Asian
2%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
20
9 districts
Enrollment
9,164
NCES CCD
Median income
$72,382
Below New York avg
Free/reduced lunch
60.7%
Above New York avg
Elementary
9
4,261 students
Middle
2
1,103 students
High
7
3,369 students
Combined / other
2
431 students
LARGEST DISTRICT
MONTICELLO CENTRAL SCHOOL DISTRICT
2,695 students · 9 districts in Sullivan County

County vs. school enrollment demographics

Left bar is the racial makeup of Sullivan 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
70%
Hispanic
19%
Black
9%
Asian
2%
Two or more
10%
Native American
1%
Pacific Islander
0%
School enrollment
White
47%
Hispanic
39%
Black
7%
Asian
2%
Two or more
6%
Native American
0%
Pacific Islander
0%
Bachelor's+
30.1%
adults 25+
Poverty rate
9.7%
ACS 5-year
Unemployment
5.8%
civilian labor
Median age
42
21.4% under 18

Test scores in Sullivan County

Latest 2024-25 ELA proficiency, 18 schools ranked. New York state average: 58.3%.

See all 18 schools in Sullivan County ranked by score →

All schools (20)

NameCityLevelGradesEnrollmentRating
BENJAMIN COSOR ELEMENTARY SCHOOLFallsburgElementaryPK-06841·
MONTICELLO HIGH SCHOOLMonticelloHigh09-12833·
LIBERTY ELEMENTARY SCHOOLLibertyElementaryPK-04664·
FALLSBURG JUNIOR SENIOR HIGH SCHOOLFallsburgHigh07-12663·
GEORGE L COOKE SCHOOLMonticelloElementaryPK-02590·
ROBERT J KAISER MIDDLE SCHOOLMonticelloMiddle06-08587·
LIBERTY HIGH SCHOOLLibertyHigh09-12578·
SULLIVAN WEST ELEMENTARY SCHOOLJeffersonvilleElementaryPK-06553·
LIBERTY MIDDLE SCHOOLLibertyMiddle05-08516·
SULLIVAN WEST HIGH SCHOOL AT LAKE HUNTINGTONLake HuntingtonHigh07-12492·
TRI-VALLEY ELEMENTARY SCHOOLGrahamsvilleElementaryPK-06471·
KENNETH L RUTHERFORD SCHOOLMonticelloElementary03-05466·
TRI-VALLEY SECONDARY SCHOOLGrahamsvilleHigh07-12408·
GEORGE ROSS MACKENZIE ELEMENTARY SCHOOLGlen SpeyElementaryPK-06240·
SULLIVAN BOCESLibertyCombinedKG-12238·
EMMA C CHASE SCHOOLWurtsboroElementaryKG-05219·
LIVINGSTON MANOR ELEMENTARY SCHOOLLivingston ManorElementaryPK-06217·
ELDRED JUNIOR-SENIOR HIGH SCHOOLEldredHigh07-12214·
ROSCOE CENTRAL SCHOOLRoscoeCombinedPK-12193·
LIVINGSTON MANOR HIGH SCHOOLLivingston ManorHigh07-12181·

Cities in Sullivan County

Liberty4 schoolsMonticello4 schoolsFallsburg2 schoolsGrahamsville2 schoolsLivingston Manor2 schoolsEldred1 schoolGlen Spey1 schoolJeffersonville1 schoolLake Huntington1 schoolRoscoe1 schoolWurtsboro1 school

About Sullivan County

Sullivan County is a middle-population county of about 79,721 residents in New York. Its public-school system educates approximately 9,164 students across 20 schools.

Looking at the wider area, census numbers show the median household earns about $72,382 a year, 30% of adults hold a bachelor's degree or higher, and the poverty rate is around 10%. That income level is 7% meaningfully below the New York median.

Looking at the level breakdown, Sullivan County covers 9 elementary schools (4,261 students), 2 middle schools (1,103), 7 high schools (3,369), and 2 combined or other schools.

The largest single district in Sullivan County is MONTICELLO CENTRAL SCHOOL DISTRICT, which alone enrolls about 2,695 students.

Five-year track record. Total public-school enrollment in Sullivan County has declined 4% since SY 2017-18, moving from about 9,523 students to 9,164. Sullivan County now counts 20 public schools, up from 19 in SY 2017-18. Demographically, the Hispanic share of enrollment expanded from 27% to 39%.

On this page, the community for Sullivan County discusses open enrollment windows, redistricting talk, and busing logistics. Members of the local community share what they see day-to-day.

Frequently asked questions

How many K-12 schools serve Sullivan County?
There are 20 public K-12 schools in Sullivan County, New York, with a combined enrollment of about 9,164.
How many high schools are in Sullivan County?
Sullivan County, New York has 7 public high schools, serving approximately 3,369 students.
How many middle schools are in Sullivan County?
Sullivan County, New York has 2 public middle schools, serving approximately 1,103 students.
How many elementary schools are in Sullivan County?
Sullivan County, New York has 9 public elementary schools, serving approximately 4,261 students.
What is the largest school district in Sullivan County?
MONTICELLO CENTRAL SCHOOL DISTRICT is the largest school district in Sullivan County, serving approximately 2,695 students. The county contains 9 school districts overall.
What is the population of Sullivan County?
Sullivan County, New York has a population of approximately 79,721, with a median age of 42. About 21.4% of residents are under 18.
What is the median household income in Sullivan County?
Median household income in Sullivan County is $72,382, below the New York average of $77,785. About 9.7% of residents live below the federal poverty line.
How educated are residents of Sullivan County?
Approximately 30.1% of adults 25 and older in Sullivan County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Sullivan County qualify for free or reduced lunch?
Roughly 60.7% of students in Sullivan County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the New York county average of 48.7%.
What is the student-teacher ratio in Sullivan County schools?
Across Sullivan County public schools, the enrollment-weighted student-teacher ratio is approximately 10.0 to 1.

Sullivan County school rankings

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