#1 Best Private High Schools in New York County, NY
Marymount School of NY
Independent Catholic school · Grades Pre-K–12
Smaller classes than 95% of Catholic schools in New York
New York, NY
A+Overall gradeAll girls715 students5 students per teacher
2026 lists
Best Private High Schools in New York County, NY
Private high schools in New York County, NY with the highest overall grades. Top 39 of 39 schools.
#2 Best Private High Schools in New York County, NY
Lasalle Academy
Independent Catholic school · Grades 9–12
Smaller classes than 92% of Catholic schools in New York
New York, NY
A+Overall gradeAll boys189 students6 students per teacher
#3 Best Private High Schools in New York County, NY
British International School of NY
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
New York, NY
A+Overall grade262 students5 students per teacher
#4 Best Private High Schools in New York County, NY
Dwight School
Independent school · Grades Pre-K–12
99% of graduates go to four-year colleges
New York, NY
A+Overall grade774 students5 students per teacher
#5 Best Private High Schools in New York County, NY
The Ideal School of Manhattan
Independent school · Grades K–12
Smaller classes than 96% of independent schools in New York
New York, NY
A+Overall grade174 students2 students per teacher
#6 Best Private High Schools in New York County, NY
St. Vincent Ferrer High School
Parish school · Grades 9–12
Smaller classes than 80% of Catholic schools in New York
New York, NY
A+Overall gradeAll girls324 students9 students per teacher
#7 Best Private High Schools in New York County, NY
Regis High School
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll boys529 students9 students per teacher
#8 Best Private High Schools in New York County, NY
Dominican Academy
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls240 students10 students per teacher
#9 Best Private High Schools in New York County, NY
The Brearley School
Independent school · Grades K–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls781 students7 students per teacher
#10 Best Private High Schools in New York County, NY
Grace Church High School
Episcopal school · Grades Pre-K–12
One of the 3 largest Christian schools in New York
New York, NY
A+Overall grade762 students5 students per teacher
#11 Best Private High Schools in New York County, NY
York Prep School
Independent school · Grades 6–12
Smaller classes than 80% of independent schools in New York
New York, NY
A+Overall grade351 students4 students per teacher
#12 Best Private High Schools in New York County, NY
Calhoun School
Montessori school · Grades Pre-K–12
The largest of 39 Montessori schools in New York
New York, NY
A+Overall grade578 students6 students per teacher
#13 Best Private High Schools in New York County, NY
Dalton School
Independent school · Grades K–12
One of the 3 largest independent schools in New York
New York, NY
A+Overall grade1,330 students6 students per teacher
#14 Best Private High Schools in New York County, NY
Dwight School
Alternative school · Grades Pre-K–12
99% of graduates go to four-year colleges
New York, NY
A+Overall grade780 students5 students per teacher
#15 Best Private High Schools in New York County, NY
Trinity School
Christian school (nondenominational) · Grades K–12
The largest of 172 Christian schools in New York
New York, NY
A+Overall grade1,044 students7 students per teacher
#16 Best Private High Schools in New York County, NY
The Birch Wathen Lenox School
Independent school · Grades K–12
Smaller classes than 92% of independent schools in New York
New York, NY
A+Overall grade326 students3 students per teacher
#17 Best Private High Schools in New York County, NY
Xavier High School
Independent Catholic school · Grades 9–12
The largest Catholic school in New York
New York, NY
A+Overall gradeAll boys924 students14 students per teacher
#18 Best Private High Schools in New York County, NY
The Ideal School of Manhattan
Alternative school · Grades K–12
Smaller classes than 75% of independent schools in New York
New York, NY
A+Overall grade176 students5 students per teacher
#19 Best Private High Schools in New York County, NY
The Hewitt School
Independent school · Grades K–12
96% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls469 students6 students per teacher
#20 Best Private High Schools in New York County, NY
Notre Dame School
Diocesan school · Grades 9–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls358 students14 students per teacher
#21 Best Private High Schools in New York County, NY
Columbia Grammar & Preparatory School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
New York, NY
A+Overall grade1,138 students6 students per teacher
#22 Best Private High Schools in New York County, NY
Nightingale-Bamford School
Independent school · Grades K–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls707 students7 students per teacher
#23 Best Private High Schools in New York County, NY
Spence School
Independent school · Grades K–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls772 students6 students per teacher
#24 Best Private High Schools in New York County, NY
The Brearley School
Independent school · Grades K–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll girls773 students7 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.