For the 2025-26 school year, there are 11 private schools serving 2,369 students in Rensselaer County, NY (there are 41 public schools, serving 19,306 public students). 11% of all K-12 students in Rensselaer County, NY are educated in private schools (compared to the NY state average of 15%).
The top ranked private schools in Rensselaer County, NY include La Salle Institute, Robert C Parker School, and Emma Willard School.
The average acceptance rate is 68%, which is lower than the New York private school average acceptance rate of 74%.
Top Ranked Rensselaer County Private Schools (2025-26)
School
Location
Quick Facts
4254 Ny Highway 43
Wynantskill, NY 12198
(518) 286-3449
Wynantskill, NY 12198
(518) 286-3449
Gr: PK-8 | 132 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 4 Tuition & acceptance rate listed
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
Woodland Hill Montessori School![Woodland Hill Montessori School Photo - Woodland Hill Montessori- All School Photo]( "Woodland Hill Montessori School Photo - Woodland Hill Montessori- All School Photo")
Montessori School
100 Montesorri Pl
Rensselaer, NY 12144
(518) 283-5400
Rensselaer, NY 12144
(518) 283-5400
Gr: NS-8 | 345 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 15 Tuition & acceptance rate listed
Holy Spirit School![Holy Spirit School Photo - Eighth Graders accept Holy Spirit pins, signifying their acceptance of their role as school leaders. On the altar is Father Joe O'Brien and presenting the pin is principal, Roger Rooney.]( "Holy Spirit School Photo - Eighth Graders accept Holy Spirit pins, signifying their acceptance of their role as school leaders. On the altar is Father Joe O'Brien and presenting the pin is principal, Roger Rooney.")
(Catholic)
54 Highland Dr
East Greenbush, NY 12061
(518) 477-5739
East Greenbush, NY 12061
(518) 477-5739
Gr: PK-8 | 188 students Tuition listed
St. Jude The Apostle School
(Catholic)
42 Dana Ave
Wynantskill, NY 12198
(518) 283-0333
Wynantskill, NY 12198
(518) 283-0333
Gr: PK-5 | 149 students Avg. class size: 20 students Tuition listed
116 Pinewoods Ave
Troy, NY 12180
(518) 274-4994
Troy, NY 12180
(518) 274-4994
Gr: PK-8 | 76 students Avg. class size: 12 students
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
Sacred Heart School (Closed 2025)
(Catholic)
308 Spring Avenue
Troy, NY 12180
(518) 274-3655
Troy, NY 12180
(518) 274-3655
Gr: PK-6 | 176 students Sports: 1 | Extracurrculars: 8 Tuition listed
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 schools in Rensselaer County, NY?
The top ranked private schools in Rensselaer County, NY include La Salle Institute, Robert C Parker School, and Emma Willard School.
How many private schools are located in Rensselaer County?
11 private schools are located in Rensselaer County.
How diverse are private schools in Rensselaer County?
Rensselaer County private schools are approximately 20% minority students, which is lower than the New York private school average of 40%.
What percentage of students in Rensselaer County go to private school?
11% of all K-12 students in Rensselaer County are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in Rensselaer County?
Which private schools in Rensselaer County are often viewed compared to one another?
Popular comparisons of private schools in Rensselaer County include: Holy Spirit School vs. Woodland Hill Montessori School, Vanderheyden Hall vs. La Salle Institute, Robert C Parker School vs. Woodland Hill Montessori School
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