The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.

Delaware County

New York · Public K-12

Across all districts in Delaware County, public schools number 21 and enroll approximately 5,307 K-12 students (5 elementary, 2 middle, and 4 high).

7-year change in Delaware County

SY 2017-18 vs SY 2024-25
Total enrollment
5,307
-710 (-12%) vs SY 2017-18
School count
21
-1 (-5%) vs SY 2017-18
% White
89%
was 91%
% Hispanic
6%
was 5%
% Black
2%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
21
14 districts
Enrollment
5,307
NCES CCD
Median income
$63,337
Below New York avg
Free/reduced lunch
47.4%
Below New York avg
Elementary
5
1,485 students
Middle
2
355 students
High
4
1,183 students
Combined / other
10
2,284 students
LARGEST DISTRICT
SIDNEY CENTRAL SCHOOL DISTRICT
988 students · 14 districts in Delaware County

County vs. school enrollment demographics

Left bar is the racial makeup of Delaware 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
90%
Hispanic
5%
Black
1%
Asian
1%
Two or more
6%
Native American
1%
Pacific Islander
0%
School enrollment
White
89%
Hispanic
6%
Black
2%
Asian
1%
Two or more
2%
Native American
0%
Pacific Islander
0%
Bachelor's+
27.6%
adults 25+
Poverty rate
11.5%
ACS 5-year
Unemployment
6.4%
civilian labor
Median age
49
15.9% under 18

Test scores in Delaware County

Latest 2024-25 ELA proficiency, 19 schools ranked. New York state average: 58.3%.

See all 19 schools in Delaware County ranked by score →

All schools (21)

NameCityLevelGradesEnrollmentRating
SIDNEY ELEMENTARY SCHOOLSidneyElementaryKG-06477·
DELAWARE ACADEMY HIGH SCHOOLDelhiHigh06-12399·
TOWNSEND ELEMENTARY SCHOOLWaltonElementaryPK-05348·
SIDNEY HIGH SCHOOLSidneyHigh09-12342·
DELAWARE ACADEMY ELEMENTARY SCHOOLDelhiElementaryPK-05325·
CHARLOTTE VALLEY SCHOOLDavenportCombinedPK-12322·
MARGARETVILLE CENTRAL SCHOOLMargaretvilleCombinedPK-12301·
SOUTH KORTRIGHT CENTRAL SCHOOLSouth KortrightCombinedPK-12287·
WALTON HIGH SCHOOLWaltonCombined02-12271·
STAMFORD CENTRAL SCHOOLStamfordCombinedPK-12248·
DEPOSIT MIDDLE-SENIOR HIGH SCHOOLDepositHigh06-12243·
DEPOSIT ELEMENTARY SCHOOLDepositElementaryPK-05242·
ROXBURY CENTRAL SCHOOLRoxburyCombinedPK-12224·
DOWNSVILLE CENTRAL SCHOOLDownsvilleCombinedPK-12219·
FRANKLIN CENTRAL SCHOOLFranklinCombinedPK-12209·
HANCOCK JUNIOR-SENIOR HIGH SCHOOLHancockHigh05-12199·
WALTON MIDDLE SCHOOLWaltonMiddle06-08186·
SIDNEY MIDDLE SCHOOLSidneyMiddle07-08169·
OTSEGO-DELAWARE-SCHOHARIE-GREENE BOCESGrand GorgeCombinedKG-12130·
HANCOCK ELEMENTARY SCHOOLHancockElementaryPK-0493·
ANDES CENTRAL SCHOOLAndesCombinedPK-1273·

Cities in Delaware County

Sidney3 schoolsWalton3 schoolsDelhi2 schoolsDeposit2 schoolsHancock2 schoolsAndes1 schoolDavenport1 schoolDownsville1 schoolFranklin1 schoolGrand Gorge1 schoolMargaretville1 schoolRoxbury1 schoolSouth Kortright1 schoolStamford1 school

About Delaware County

Delaware County is a sparse New York county of about 44,487 residents, home to 21 public schools and roughly 5,307 students.

Looking at the broader picture, census numbers show median household income runs near $63,337, about 28% of adults have a bachelor's degree or above, and the federal-poverty share is near 12%. That income level is 19% below the New York median.

For a sense of the school types, Delaware County is built around 5 elementary schools (1,485 students), 2 middle schools (355), 4 high schools (1,183), and 10 combined or other schools.

SIDNEY CENTRAL SCHOOL DISTRICT dominates the local landscape, accounting for roughly 988 students on its own.

Looking at the last 7 years. Across the same 7-year window, public-school enrollment fell 12%: 6,017 students in SY 2017-18 versus 5,307 in SY 2024-25. The school count fell from 22 to 21 across the same 7-year window.

Within the allk12 community for this area, the community for Delaware County discusses enrollment trends, district policy changes, and bus-route updates. Posts come from current and former families, staff, and alumni.

Frequently asked questions

How many K-12 schools serve Delaware County?
There are 21 public K-12 schools in Delaware County, New York, with a combined enrollment of about 5,307.
How many high schools are in Delaware County?
Delaware County, New York has 4 public high schools, serving approximately 1,183 students.
How many middle schools are in Delaware County?
Delaware County, New York has 2 public middle schools, serving approximately 355 students.
How many elementary schools are in Delaware County?
Delaware County, New York has 5 public elementary schools, serving approximately 1,485 students.
What is the largest school district in Delaware County?
SIDNEY CENTRAL SCHOOL DISTRICT is the largest school district in Delaware County, serving approximately 988 students. The county contains 14 school districts overall.
How many people live in Delaware County?
Delaware County has roughly 44,487 residents according to the latest Census ACS 5-year estimate.
What is the median household income in Delaware County?
Median household income in Delaware County is $63,337, below the New York average of $77,785. About 11.5% of residents live below the federal poverty line.
How educated are residents of Delaware County?
Approximately 27.6% of adults 25 and older in Delaware County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Delaware County qualify for free or reduced lunch?
Roughly 47.4% of students in Delaware 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 Delaware County schools?
Across Delaware County public schools, the enrollment-weighted student-teacher ratio is approximately 9.7 to 1.

Delaware County school rankings

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