Total enrollment
19,274
-1,053 (-5%) vs SY 2017-18
Rensselaer County
New York · Public K-12
The schools list below covers the full public K-12 directory for Rensselaer County: 42 campuses, 19,274 students, East Greenbush Central School District as the largest district. By level, that breaks down as 24 elementary, 5 middle, and 9 high schools.
7-year change in Rensselaer County
SY 2017-18 vs SY 2024-25School count
41
+1 (+3%) vs SY 2017-18
% White
67%
was 72%
% Hispanic
11%
was 8%
% Black
12%
was 12%
% Asian
3%
was 3%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
42
15 districts
Enrollment
19,274
NCES CCD
Median income
$87,915
Above New York avg
Free/reduced lunch
45.8%
Below New York avg
Elementary
24
8,381 students
Middle
5
3,092 students
High
9
5,569 students
Combined / other
4
2,232 students
LARGEST DISTRICT
EAST GREENBUSH CENTRAL SCHOOL DISTRICT
4,085 students · 15 districts in Rensselaer County
County vs. school enrollment demographics
Left bar is the racial makeup of Rensselaer 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+
37.6%
adults 25+
Poverty rate
7.9%
ACS 5-year
Unemployment
5.3%
civilian labor
Median age
40
19.1% under 18
Test scores in Rensselaer County
Latest 2024-25 ELA proficiency, 37 schools ranked. New York state average: 58.3%.
Top 5 schools (ELA)
- COLUMBIA HIGH SCHOOL· 95.0%
- HOOSICK FALLS HIGH SCHOOL· 88.0%
- AVERILL PARK HIGH SCHOOL· 86.0%
- LANSINGBURGH SENIOR HIGH SCHOOL· 83.0%
- BELL TOP SCHOOL· 75.0%
Lowest 5 schools (ELA)
- PS 2· 23.0%
- KNICKERBACKER MIDDLE SCHOOL· 34.0%
- TROY MIDDLE SCHOOL· 34.0%
- VAN RENSSELAER ELEMENTARY SCHOOL· 36.0%
- HOOSIC VALLEY ELEMENTARY SCHOOL· 39.0%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| COLUMBIA HIGH SCHOOL | East Greenbush | High | 09-12 | 1,272 | · |
| TROY HIGH SCHOOL | Troy | High | 09-12 | 1,193 | · |
| HOWARD L GOFF SCHOOL | East Greenbush | Middle | 06-08 | 948 | · |
| AVERILL PARK HIGH SCHOOL | Averill Park | High | 09-12 | 870 | · |
| KIPP TROY PREPARATORY CHARTER SCHOOL | Troy | Combined | KG-12 | 762 | · |
| TROY MIDDLE SCHOOL | Troy | Middle | 06-08 | 733 | · |
| LANSINGBURGH SENIOR HIGH SCHOOL | Troy | High | 09-12 | 625 | · |
| ALGONQUIN MIDDLE SCHOOL | Averill Park | Middle | 06-08 | 608 | · |
| TAMARAC MIDDLE SCHOOL HIGH SCHOOL | Troy | Combined | PK-12 | 576 | · |
| TURNPIKE ELEMENTARY SCHOOL | Troy | Elementary | PK-02 | 542 | · |
| RENSSELAER-COLUMBIA-GREENE BOCES | Castleton | Combined | KG-12 | 506 | · |
| TAMARAC ELEMENTARY SCHOOL | Troy | Elementary | PK-05 | 505 | · |
| CITIZEN EDMOND GENET SCHOOL | East Greenbush | Elementary | PK-05 | 493 | · |
| VAN RENSSELAER ELEMENTARY SCHOOL | Rensselaer | Elementary | PK-05 | 487 | · |
| KNICKERBACKER MIDDLE SCHOOL | Troy | Middle | 06-08 | 474 | · |
| RED MILL SCHOOL | Rensselaer | Elementary | PK-05 | 473 | · |
| RENSSELAER JUNIOR/SENIOR HIGH SCHOOL | Rensselaer | High | 06-12 | 462 | · |
| PS 14 | Troy | Elementary | PK-05 | 460 | · |
| HOOSIC VALLEY ELEMENTARY SCHOOL | Schaghticoke | Elementary | KG-06 | 455 | · |
| CASTLETON ELEMENTARY SCHOOL | Castleton | Elementary | KG-06 | 443 | · |
| RENSSELAER PARK ELEMENTARY SCHOOL | Troy | Elementary | KG-05 | 419 | · |
| HOOSICK FALLS ELEMENTARY SCHOOL | Hoosick Falls | Elementary | PK-04 | 407 | · |
| MAPLE HILL JUNIOR/SENIOR HIGH SCHOOL | Castleton | High | 07-12 | 399 | · |
| HOOSIC VALLEY JUNIOR SENIOR HIGH SCHOOL | Schaghticoke | Combined | 02-12 | 388 | · |
| MILLER HILL SCHOOL | Averill Park | Elementary | KG-05 | 377 | · |
| WEST SAND LAKE ELEMENTARY SCHOOL | West Sand Lake | Elementary | KG-05 | 354 | · |
| GREEN MEADOW SCHOOL | Castleton | Elementary | PK-05 | 345 | · |
| HOOSICK FALLS HIGH SCHOOL | Hoosick Falls | High | 09-12 | 342 | · |
| POESTENKILL ELEMENTARY SCHOOL | Poestenkill | Elementary | KG-05 | 334 | · |
| HOOSICK FALLS MIDDLE SCHOOL | Hoosick Falls | Middle | 05-08 | 329 | · |
| CARROLL HILL SCHOOL | Troy | Elementary | PK-05 | 325 | · |
| BERLIN MIDDLE SCHOOL/HIGH SCHOOL | Cherry Plain | High | 06-12 | 323 | · |
| PS 18 | Troy | Elementary | KG-05 | 313 | · |
| GARDNER-DICKINSON SCHOOL | Troy | Elementary | PK-08 | 306 | · |
| BELL TOP SCHOOL | Troy | Elementary | KG-05 | 304 | · |
| BERLIN ELEMENTARY SCHOOL | Berlin | Elementary | PK-05 | 256 | · |
| DONALD P SUTHERLAND SCHOOL | Nassau | Elementary | PK-05 | 250 | · |
| PS 16 | Troy | Elementary | PK-05 | 249 | · |
| PS 2 | Troy | Elementary | PK-05 | 249 | · |
| NURSES MIDDLE COLLEGE CHARTER HIGH SCHOOL-CAPITAL REGION | Rensselaer | High | 09-10 | 83 | · |
| NORTH GREENBUSH SCHOOL | Troy | Elementary | KG-02 | 35 | · |
| RENSSELAER COUNTY JAIL | Troy | Elementary | M-M | · | · |
Cities in Rensselaer County
About Rensselaer County
In New York, Rensselaer County is a moderately sized county of about 160,332 residents. 42 public schools across the county hosts about 19,274 students between them.
In context, census numbers show typical household earnings sit around $87,915, about 38% of adults have a bachelor's degree or above, and the federal-poverty share is near 8%. That income level is 13% higher than the New York median.
For a sense of the school types, Rensselaer County consists of 24 elementary schools (8,381 students), 5 middle schools (3,092), 9 high schools (5,569), and 4 combined or other schools.
The largest single district in Rensselaer County is EAST GREENBUSH CENTRAL SCHOOL DISTRICT, which alone enrolls about 4,085 students.
Looking at the last 7 years. Combined enrollment now sits at 19,274 students, decreased 5% from the 20,327 reported in SY 2017-18. Over that span, Rensselaer County gained 1 school, going from 40 to 41. On the demographic side, White enrollment moved from 72% to 67% over the same window.
On allk12, the community for Rensselaer County discusses comparison threads between local schools and program reviews. Discussions cut across districts, schools, and grade levels.
Frequently asked questions
Rensselaer County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data