Total enrollment
5,307
-264 (-5%) vs SY 2020-21
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).
4-year change in Delaware County
SY 2020-21 vs SY 2024-25School count
21
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Delaware County ranks
Among counties| Measure | This county | In New York | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 50.3% | #40 of 61 | N/A |
| Enrollment ranked largest first | 5,307 | #53 of 61 | #1,275 of 2,745 |
| Number of schools ranked most first | 21 | #39 of 61 | N/A |
| Students per teacher ranked fewest first | 8.9:1 | #7 of 61 | #22 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 47.4% | #34 of 61 | #1,749 of 2,526 |
| Diversity index ranked most diverse first | 19.6% | #44 of 61 | #2,169 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.
Delaware County school rankings
Residents
44,487
all ages · ACS 5-yr
Schools
21
14 districts
Enrollment
5,307
students · 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
School enrollment
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%.
Top 5 schools (ELA)
- SIDNEY HIGH SCHOOL· 86.0%
- WALTON HIGH SCHOOL· 80.0%
- STAMFORD CENTRAL SCHOOL· 65.5%
- DOWNSVILLE CENTRAL SCHOOL· 64.5%
- DEPOSIT MIDDLE-SENIOR HIGH SCHOOL· 62.0%
Lowest 5 schools (ELA)
- WALTON MIDDLE SCHOOL· 27.0%
- TOWNSEND ELEMENTARY SCHOOL· 32.0%
- SOUTH KORTRIGHT CENTRAL SCHOOL· 32.5%
- SIDNEY MIDDLE SCHOOL· 33.0%
- DEPOSIT ELEMENTARY SCHOOL· 41.0%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| SIDNEY ELEMENTARY SCHOOL | Sidney | Elementary | KG-06 | 477 | · |
| DELAWARE ACADEMY HIGH SCHOOL | Delhi | High | 06-12 | 399 | · |
| TOWNSEND ELEMENTARY SCHOOL | Walton | Elementary | PK-05 | 348 | · |
| SIDNEY HIGH SCHOOL | Sidney | High | 09-12 | 342 | · |
| DELAWARE ACADEMY ELEMENTARY SCHOOL | Delhi | Elementary | PK-05 | 325 | · |
| CHARLOTTE VALLEY SCHOOL | Davenport | Combined | PK-12 | 322 | · |
| MARGARETVILLE CENTRAL SCHOOL | Margaretville | Combined | PK-12 | 301 | · |
| SOUTH KORTRIGHT CENTRAL SCHOOL | South Kortright | Combined | PK-12 | 287 | · |
| WALTON HIGH SCHOOL | Walton | Combined | 02-12 | 271 | · |
| STAMFORD CENTRAL SCHOOL | Stamford | Combined | PK-12 | 248 | · |
| DEPOSIT MIDDLE-SENIOR HIGH SCHOOL | Deposit | High | 06-12 | 243 | · |
| DEPOSIT ELEMENTARY SCHOOL | Deposit | Elementary | PK-05 | 242 | · |
| ROXBURY CENTRAL SCHOOL | Roxbury | Combined | PK-12 | 224 | · |
| DOWNSVILLE CENTRAL SCHOOL | Downsville | Combined | PK-12 | 219 | · |
| FRANKLIN CENTRAL SCHOOL | Franklin | Combined | PK-12 | 209 | · |
| HANCOCK JUNIOR-SENIOR HIGH SCHOOL | Hancock | High | 05-12 | 199 | · |
| WALTON MIDDLE SCHOOL | Walton | Middle | 06-08 | 186 | · |
| SIDNEY MIDDLE SCHOOL | Sidney | Middle | 07-08 | 169 | · |
| OTSEGO-DELAWARE-SCHOHARIE-GREENE BOCES | Grand Gorge | Combined | KG-12 | 130 | · |
| HANCOCK ELEMENTARY SCHOOL | Hancock | Elementary | PK-04 | 93 | · |
| ANDES CENTRAL SCHOOL | Andes | Combined | PK-12 | 73 | · |
Cities in Delaware County
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 4 years. Across the same 4-year window, public-school enrollment fell 5%: 5,571 students in SY 2020-21 versus 5,307 in SY 2024-25.
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
DATA · Census ACS 5-year · NCES Common Core of Data