#1 Best Private Schools in Rensselaer County, NY
Doane Stuart School
Independent school · Grades Pre-K–12
Smaller classes than 80% of independent schools in New York
Rensselaer, NY
A+Overall grade89 students4 students per teacher
2026 lists
Best Private Schools in Rensselaer County, NY
Private schools in Rensselaer County, NY with the highest overall grades. Top 8 of 8 schools.
#2 Best Private Schools in Rensselaer County, NY
Holy Spirit School
Diocesan school · Grades Pre-K–5
Smaller classes than 85% of Catholic schools in New York
East Greenbush, NY
A+Overall grade66 students7 students per teacher
#3 Best Private Schools in Rensselaer County, NY
Emma Willard School
Independent school · Grades 9–12
The only all-girls school in Troy
Troy, NY
AOverall gradeAll girls365 students8 students per teacher
#4 Best Private Schools in Rensselaer County, NY
Robert C Parker School
Independent school · Grades Pre-K–8
Growing: enrollment up 41% since 2011–12
North Greenbush, NY
AOverall grade114 students6 students per teacher
#5 Best Private Schools in Rensselaer County, NY
St. Jude the Apostle School
Diocesan school · Grades Pre-K–5
A Catholic school in Wynantskill
Wynantskill, NY
B+Overall grade78 students11 students per teacher
#6 Best Private Schools in Rensselaer County, NY
Woodland Hill Montessori School
Montessori school · Grades Pre-K–8
One of the 3 largest Montessori schools in New York
Rensselaer, NY
B+Overall grade243 students6 students per teacher
#7 Best Private Schools in Rensselaer County, NY
Hoosac School
Episcopal school · Grades 8–12
Growing: enrollment up 87% since 2011–12
Hoosick, NY
B+Overall grade213 students10 students per teacher
#8 Best Private Schools in Rensselaer County, NY
La Salle Institute
Independent Catholic school · Grades 6–12
The only Catholic school in Troy
Troy, NY
B+Overall grade532 students14 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.