For the 2025-26 school year, there are 6 private high schools serving 1,303 students in Rensselaer County, NY.
The top ranked private high schools in Rensselaer County, NY include Emma Willard School, Hoosac School, and La Salle Institute.
The average acceptance rate is 61%, which is lower than the New York private high school average acceptance rate of 73%.
Top Ranked Rensselaer County Private High Schools (2025-26)
School
Location
Quick Facts
199 Washington Avenue
Rensselaer, NY 12144
(518) 465-5222
Rensselaer, NY 12144
(518) 465-5222
Gr: NS-12 | 174 students Avg. class size: 13 students Sports: 11 | Extracurrculars: 19 Tuition listed
Emma Willard School![Emma Willard School Photo Emma Willard School Photo]()

All-girls
285 Pawling Avenue
Troy, NY 12180
(518) 833-1301
Troy, NY 12180
(518) 833-1301
Gr: 9-12 | 355 students Avg. class size: 12 students Sports: 17 | Extracurrculars: 17 Tuition & acceptance rate listed
14 Pine Valley Rd
Hoosick, NY 12089
(518) 686-7331
Hoosick, NY 12089
(518) 686-7331
Gr: 8-12 | 240 students Avg. class size: 9 students Sports: 21 | Extracurrculars: 8 Tuition & acceptance rate listed
174 Williams Rd
Troy, NY 12180
(518) 283-2500
Troy, NY 12180
(518) 283-2500
Gr: 6-12 | 445 students Sports: 19 Tuition & acceptance rate listed
192 Ninth Street
Troy, NY 12180
(518) 272-6679
Troy, NY 12180
(518) 272-6679
Gr: K-12 Avg. class size: 10 students Sports: 2 | Extracurrculars: 25 Tuition & acceptance rate listed
Vanderheyden Hall
Special Education School
614 Cooper Hill Rd
Wynantskill, NY 12198
(518) 283-6500
Wynantskill, NY 12198
(518) 283-6500
Gr: 7-12 | 89 students
Rensselaer County Private Schools (Closed)
School
Location
Quick Facts
4565 County Route 9
East Nassau, NY 12062
(518) 794-8520
East Nassau, NY 12062
(518) 794-8520
Gr: PK-8 | 40 students Avg. class size: 12 students Tuition & acceptance rate listed
Our Lady Of Victory School (Closed 2006)
(Catholic)
451 Marshland Court
Troy, NY 12180
(518) 274-6202
Troy, NY 12180
(518) 274-6202
Gr: PK-6 | 159 students
St. Mary's School (Closed 2004)
(Catholic)
163 Columbia Turnpike
Rensselaer, NY 12144
(518) 449-2498
Rensselaer, NY 12144
(518) 449-2498
Gr: PK-8 | 161 students
Ss Joseph And John School (Closed 2000)
(Catholic)
1641 Third Street
Rensselaer, NY 12144
(518) 465-1151
Rensselaer, NY 12144
(518) 465-1151
Gr: PK-8 | 131 students
Frequently Asked Questions
What are the top ranked private high schools in Rensselaer County, NY?
The top ranked private high schools in Rensselaer County, NY include Emma Willard School, Hoosac School, and La Salle Institute.
How many private high schools are located in Rensselaer County?
6 private high schools are located in Rensselaer County.
How diverse are private high schools in Rensselaer County?
Rensselaer County private high schools are approximately 26% minority students, which is lower than the New York private school average of 38%.
What percentage of private high schools are religiously affiliated in Rensselaer County?
Which private high schools in Rensselaer County are often viewed compared to one another?
Popular comparisons of private high schools in Rensselaer County include: Vanderheyden Hall vs. La Salle Institute
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