#1 Best Private Middle Schools in Suffolk County, NY
Ross School
Independent school · Grades Pre-K–12
95% of graduates go to four-year colleges
East Hampton, NY
A+Overall grade286 students5 students per teacher
2026 lists
Best Private Middle Schools in Suffolk County, NY
Private schools in Suffolk County, NY with middle-school grades and the highest overall grades. Top 23 of 23 schools.
#2 Best Private Middle Schools in Suffolk County, NY
Our Savior New American School
Lutheran (Missouri Synod) school · Grades Pre-K–12
Smaller classes than 84% of Christian schools in New York
Centereach, NY
A+Overall grade99 students4 students per teacher
#3 Best Private Middle Schools in Suffolk County, NY
Long Island School for the Gifted
Independent school · Grades K–9
Small classes: about 6 students per teacher
Huntington Station, NY
A+Overall grade133 students6 students per teacher
#4 Best Private Middle Schools in Suffolk County, NY
Our Lady of the Hamptons Regional Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Southampton
Southampton, NY
A+Overall grade291 students11 students per teacher
#5 Best Private Middle Schools in Suffolk County, NY
Our Lady of Guadalupe Catholic School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 47% since 2011–12
Deer Park, NY
A+Overall grade380 students12 students per teacher
#6 Best Private Middle Schools in Suffolk County, NY
MDQ Academy
Islamic school · Grades Pre-K–12
100% of graduates go to four-year colleges
Brentwood, NY
AOverall grade276 students9 students per teacher
#7 Best Private Middle Schools in Suffolk County, NY
St. John Paul II Regional School
Diocesan school · Grades Pre-K–8
Smaller classes than 83% of Catholic schools in New York
Riverhead, NY
AOverall grade147 students7 students per teacher
#8 Best Private Middle Schools in Suffolk County, NY
Victory Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 62% of Christian schools in New York
East Patchogue, NY
AOverall grade72 students6 students per teacher
#9 Best Private Middle Schools in Suffolk County, NY
SS Philip & James School
Diocesan school · Grades Pre-K–8
The only Catholic school in Saint James
Saint James, NY
AOverall grade126 students10 students per teacher
#10 Best Private Middle Schools in Suffolk County, NY
Bethesda SDA Junior Academy
Seventh-day Adventist school · Grades Pre-K–8
Small classes: about 7 students per teacher
Amityville, NY
AOverall grade61 students7 students per teacher
#11 Best Private Middle Schools in Suffolk County, NY
Trinity Regional School-East Northport Campus
Diocesan school · Grades Pre-K–8
Serving families in East Northport since at least 2011
East Northport, NY
A-Overall grade253 students12 students per teacher
#12 Best Private Middle Schools in Suffolk County, NY
Harbor Country Day School
Independent school · Grades Pre-K–8
Growing: enrollment up 23% since 2013–14
Saint James, NY
A-Overall grade117 students6 students per teacher
#13 Best Private Middle Schools in Suffolk County, NY
St. Patrick's School
Parish school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in New York
Huntington, NY
A-Overall grade445 students11 students per teacher
#14 Best Private Middle Schools in Suffolk County, NY
St. Patrick School
Diocesan school · Grades Pre-K–8
Serving families in Bay Shore since at least 2011
Bay Shore, NY
A-Overall grade395 students15 students per teacher
#15 Best Private Middle Schools in Suffolk County, NY
Holy Angels Regional School
Diocesan school · Grades Pre-K–8
A Catholic school in Patchogue
Patchogue, NY
B+Overall grade191 students12 students per teacher
#16 Best Private Middle Schools in Suffolk County, NY
Peconic Community School
Independent school · Grades Pre-K–8
Growing: enrollment up 103% since 2015–16
Cutchogue, NY
B+Overall grade71 students6 students per teacher
#17 Best Private Middle Schools in Suffolk County, NY
The Knox School
Independent school · Grades 6–12
100% of graduates go to four-year colleges
Saint James, NY
B+Overall grade112 students24 students per teacher
#18 Best Private Middle Schools in Suffolk County, NY
Ivy League School
Independent school · Grades Pre-K–8
The only independent school in Smithtown
Smithtown, NY
B+Overall grade84 students6 students per teacher
#19 Best Private Middle Schools in Suffolk County, NY
Leonard E Burket Christian School
Assembly of God school · Grades Pre-K–12
Growing: enrollment up 27% since 2011–12
Center Moriches, NY
B+Overall grade81 students20 students per teacher
#20 Best Private Middle Schools in Suffolk County, NY
The Stony Brook School
Christian school (nondenominational) · Grades 7–12
89% of graduates go to four-year colleges
Stony Brook, NY
B+Overall grade442 students10 students per teacher
#21 Best Private Middle Schools in Suffolk County, NY
St. Mary School
Parish school · Grades K–8
Serving families in East Islip since at least 2011
East Islip, NY
BOverall grade331 students16 students per teacher
#22 Best Private Middle Schools in Suffolk County, NY
St. Patrick Elementary School
Diocesan school · Grades Pre-K–8
The only Catholic school in Smithtown
Smithtown, NY
BOverall grade379 students15 students per teacher
#23 Best Private Middle Schools in Suffolk County, NY
Smithtown Christian School
Christian school (nondenominational) · Grades K–12
The only Christian school in Smithtown
Smithtown, NY
B-Overall grade385 students10 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.