Total enrollment
9,164
-120 (-1%) vs SY 2020-21
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.
4-year change in Sullivan County
SY 2020-21 vs SY 2024-25School count
20
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Sullivan County ranks
Among counties| Measure | This county | In New York | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 40.0% | #61 of 61 | N/A |
| Enrollment ranked largest first | 9,164 | #36 of 61 | #868 of 2,745 |
| Number of schools ranked most first | 20 | #46 of 61 | N/A |
| Students per teacher ranked fewest first | 9.6:1 | #17 of 61 | #82 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 60.7% | #7 of 61 | #1,094 of 2,526 |
| Diversity index ranked most diverse first | 62.7% | #15 of 61 | #437 of 2,707 |
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Sullivan County school rankings
Residents
79,721
all ages · ACS 5-yr
Schools
20
9 districts
Enrollment
9,164
students · 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
School enrollment
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%.
Top 5 schools (ELA)
Lowest 5 schools (ELA)
- ROBERT J KAISER MIDDLE SCHOOL· 18.0%
- KENNETH L RUTHERFORD SCHOOL· 24.0%
- BENJAMIN COSOR ELEMENTARY SCHOOL· 26.0%
- LIBERTY MIDDLE SCHOOL· 29.0%
- LIBERTY ELEMENTARY SCHOOL· 35.0%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| BENJAMIN COSOR ELEMENTARY SCHOOL | Fallsburg | Elementary | PK-06 | 841 | · |
| MONTICELLO HIGH SCHOOL | Monticello | High | 09-12 | 833 | · |
| LIBERTY ELEMENTARY SCHOOL | Liberty | Elementary | PK-04 | 664 | · |
| FALLSBURG JUNIOR SENIOR HIGH SCHOOL | Fallsburg | High | 07-12 | 663 | · |
| GEORGE L COOKE SCHOOL | Monticello | Elementary | PK-02 | 590 | · |
| ROBERT J KAISER MIDDLE SCHOOL | Monticello | Middle | 06-08 | 587 | · |
| LIBERTY HIGH SCHOOL | Liberty | High | 09-12 | 578 | · |
| SULLIVAN WEST ELEMENTARY SCHOOL | Jeffersonville | Elementary | PK-06 | 553 | · |
| LIBERTY MIDDLE SCHOOL | Liberty | Middle | 05-08 | 516 | · |
| SULLIVAN WEST HIGH SCHOOL AT LAKE HUNTINGTON | Lake Huntington | High | 07-12 | 492 | · |
| TRI-VALLEY ELEMENTARY SCHOOL | Grahamsville | Elementary | PK-06 | 471 | · |
| KENNETH L RUTHERFORD SCHOOL | Monticello | Elementary | 03-05 | 466 | · |
| TRI-VALLEY SECONDARY SCHOOL | Grahamsville | High | 07-12 | 408 | · |
| GEORGE ROSS MACKENZIE ELEMENTARY SCHOOL | Glen Spey | Elementary | PK-06 | 240 | · |
| SULLIVAN BOCES | Liberty | Combined | KG-12 | 238 | · |
| EMMA C CHASE SCHOOL | Wurtsboro | Elementary | KG-05 | 219 | · |
| LIVINGSTON MANOR ELEMENTARY SCHOOL | Livingston Manor | Elementary | PK-06 | 217 | · |
| ELDRED JUNIOR-SENIOR HIGH SCHOOL | Eldred | High | 07-12 | 214 | · |
| ROSCOE CENTRAL SCHOOL | Roscoe | Combined | PK-12 | 193 | · |
| LIVINGSTON MANOR HIGH SCHOOL | Livingston Manor | High | 07-12 | 181 | · |
Cities in Sullivan County
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 stayed largely flat since SY 2020-21, moving from about 9,284 students to 9,164.
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
DATA · Census ACS 5-year · NCES Common Core of Data