Total enrollment
12,955
-1,076 (-8%) vs SY 2017-18
Putnam County
New York · Public K-12
Combined enrollment across Putnam County's 23 public schools is roughly 12,955 students, an average of about 563 per campus. Mahopac Central School District runs the largest share. That works out to 12 elementary, 5 middle, and 5 high schools.
7-year change in Putnam County
SY 2017-18 vs SY 2024-25School count
21
-1 (-5%) vs SY 2017-18
% White
55%
was 69%
% Hispanic
37%
was 24%
% Black
3%
was 2%
% Asian
2%
was 3%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
23
6 districts
Enrollment
12,955
NCES CCD
Median income
$126,257
Above New York avg
Free/reduced lunch
29.0%
Below New York avg
Elementary
12
5,176 students
Middle
5
3,305 students
High
5
4,474 students
Combined / other
1
schools
LARGEST DISTRICT
MAHOPAC CENTRAL SCHOOL DISTRICT
3,836 students · 6 districts in Putnam County
County vs. school enrollment demographics
Left bar is the racial makeup of Putnam 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+
45.5%
adults 25+
Poverty rate
4.0%
ACS 5-year
Unemployment
4.4%
civilian labor
Median age
44
19.4% under 18
Test scores in Putnam County
Latest 2024-25 ELA proficiency, 20 schools ranked. New York state average: 58.3%.
Top 5 schools (ELA)
- HALDANE HIGH SCHOOL· 92.0%
- MAHOPAC HIGH SCHOOL· 90.0%
- CARMEL HIGH SCHOOL· 88.0%
- PUTNAM VALLEY HIGH SCHOOL· 87.0%
- PUTNAM VALLEY ELEMENTARY SCHOOL· 81.0%
Lowest 5 schools (ELA)
- GEORGE FISCHER MIDDLE SCHOOL· 41.0%
- HENRY H WELLS MIDDLE SCHOOL· 44.0%
- KENT ELEMENTARY SCHOOL· 44.0%
- C V STARR INTERMEDIATE SCHOOL· 50.0%
- MAHOPAC MIDDLE SCHOOL· 51.0%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| CARMEL HIGH SCHOOL | Carmel | High | 09-12 | 1,299 | · |
| MAHOPAC HIGH SCHOOL | Mahopac | High | 07-12 | 1,255 | · |
| GEORGE FISCHER MIDDLE SCHOOL | Carmel | Middle | 05-08 | 1,138 | · |
| BREWSTER HIGH SCHOOL | Brewster | High | 09-12 | 1,076 | · |
| MAHOPAC MIDDLE SCHOOL | Mahopac | Middle | 06-10 | 902 | · |
| C V STARR INTERMEDIATE SCHOOL | Brewster | Elementary | 03-05 | 664 | · |
| HENRY H WELLS MIDDLE SCHOOL | Brewster | Middle | 06-08 | 656 | · |
| LAKEVIEW ELEMENTARY SCHOOL | Mahopac | Elementary | KG-05 | 598 | · |
| AUSTIN ROAD ELEMENTARY SCHOOL | Mahopac | Elementary | KG-05 | 596 | · |
| JOHN F KENNEDY ELEMENTARY SCHOOL | Brewster | Elementary | PK-02 | 592 | · |
| PUTNAM VALLEY ELEMENTARY SCHOOL | Putnam Valley | Elementary | KG-04 | 526 | · |
| PUTNAM VALLEY HIGH SCHOOL | Putnam Valley | High | 09-12 | 526 | · |
| FULMAR ROAD ELEMENTARY SCHOOL | Mahopac | Elementary | KG-05 | 485 | · |
| MATTHEW PATERSON ELEMENTARY SCHOOL | Patterson | Elementary | KG-04 | 464 | · |
| PUTNAM VALLEY MIDDLE SCHOOL | Putnam Valley | Middle | 05-08 | 446 | · |
| KENT ELEMENTARY SCHOOL | Carmel | Elementary | KG-04 | 384 | · |
| KENT PRIMARY SCHOOL | Carmel | Elementary | KG-04 | 366 | · |
| HALDANE HIGH SCHOOL | Cold Spring | High | 09-12 | 318 | · |
| HALDANE ELEMENTARY SCHOOL | Cold Spring | Elementary | KG-05 | 293 | · |
| GARRISON SCHOOL | Garrison | Elementary | PK-08 | 208 | · |
| HALDANE MIDDLE SCHOOL | Cold Spring | Middle | 06-08 | 163 | · |
| MAHOPAC FALLS SCHOOL | Mahopac | Combined | M-M | · | · |
| PUTNAM COUNTY CORRECTIONAL FACILITY | Carmel | Elementary | M-M | · | · |
Cities in Putnam County
About Putnam County
Putnam County is a medium-population New York county of about 98,107 residents, home to 23 public schools and roughly 12,955 students.
Zooming out, census numbers show the median household earns about $126,257 a year, roughly 46% of adults have completed at least a four-year degree, and the poverty rate is around 4%. That income level is 62% noticeably above the New York median.
On the school-mix side, Putnam County covers 12 elementary schools (5,176 students), 5 middle schools (3,305), 5 high schools (4,474), and 1 combined or other schools.
MAHOPAC CENTRAL SCHOOL DISTRICT dominates the local landscape, accounting for roughly 3,836 students on its own.
Looking at the last 7 years. Across the same 7-year window, public-school enrollment decreased 8%: 14,031 students in SY 2017-18 versus 12,955 in SY 2024-25. Over that span, Putnam County closed 1 school, going from 22 to 21. On the demographic side, White enrollment moved from 69% to 55% over the same window.
Within the allk12 community for this area, the community for Putnam County discusses comparison threads between local schools and program reviews. Parents, students, and educators in the area can post or comment.
Frequently asked questions
Putnam County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data