#1 Private Schools with the Smallest Classes in Suffolk County, NY
West Sayville Christian School
Christian school (nondenominational) · Grades K–12
3.4 students per teacher
West Sayville, NY
A+Overall grade40 students3 students per teacher
2026 lists
Private Schools with the Smallest Classes in Suffolk County, NY
Private schools in Suffolk County, NY with the fewest students per teacher (not counting preschools and special education schools). Top 30 of 30 schools.
#2 Private Schools with the Smallest Classes in Suffolk County, NY
School House
Alternative school · Grades Pre-K–6
3.8 students per teacher
East Northport, NY
A-Overall grade79 students4 students per teacher
#3 Private Schools with the Smallest Classes in Suffolk County, NY
Our Savior New American School
Lutheran (Missouri Synod) school · Grades Pre-K–12
4.1 students per teacher
Centereach, NY
A+Overall grade99 students4 students per teacher
#4 Private Schools with the Smallest Classes in Suffolk County, NY
Ross School
Independent school · Grades Pre-K–12
4.7 students per teacher
East Hampton, NY
A+Overall grade286 students5 students per teacher
#5 Private Schools with the Smallest Classes in Suffolk County, NY
Love of Learning Montessori
Montessori school · Grades Pre-K–6
4.9 students per teacher
Centerport, NY
AOverall grade65 students5 students per teacher
#6 Private Schools with the Smallest Classes in Suffolk County, NY
Long Island School for the Gifted
Independent school · Grades K–9
5.5 students per teacher
Huntington Station, NY
A+Overall grade133 students6 students per teacher
#7 Private Schools with the Smallest Classes in Suffolk County, NY
Peconic Community School
Independent school · Grades Pre-K–8
5.7 students per teacher
Cutchogue, NY
B+Overall grade71 students6 students per teacher
#8 Private Schools with the Smallest Classes in Suffolk County, NY
Ivy League School
Independent school · Grades Pre-K–8
6 students per teacher
Smithtown, NY
B+Overall grade84 students6 students per teacher
#9 Private Schools with the Smallest Classes in Suffolk County, NY
Harbor Country Day School
Independent school · Grades Pre-K–8
6.1 students per teacher
Saint James, NY
A-Overall grade117 students6 students per teacher
#10 Private Schools with the Smallest Classes in Suffolk County, NY
Victory Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
6.2 students per teacher
East Patchogue, NY
AOverall grade72 students6 students per teacher
#11 Private Schools with the Smallest Classes in Suffolk County, NY
St. John Paul II Regional School
Diocesan school · Grades Pre-K–8
7.2 students per teacher
Riverhead, NY
AOverall grade147 students7 students per teacher
#12 Private Schools with the Smallest Classes in Suffolk County, NY
Bethesda SDA Junior Academy
Seventh-day Adventist school · Grades Pre-K–8
7.3 students per teacher
Amityville, NY
AOverall grade61 students7 students per teacher
#13 Private Schools with the Smallest Classes in Suffolk County, NY
South Bay Jr. Academy of SDA
Seventh-day Adventist school · Grades Pre-K–8
7.5 students per teacher
Babylon, NY
AOverall grade52 students8 students per teacher
#14 Private Schools with the Smallest Classes in Suffolk County, NY
MDQ Academy
Islamic school · Grades Pre-K–12
9.2 students per teacher
Brentwood, NY
AOverall grade276 students9 students per teacher
#15 Private Schools with the Smallest Classes in Suffolk County, NY
Smithtown Christian School
Christian school (nondenominational) · Grades K–12
9.6 students per teacher
Smithtown, NY
B-Overall grade385 students10 students per teacher
#16 Private Schools with the Smallest Classes in Suffolk County, NY
SS Philip & James School
Diocesan school · Grades Pre-K–8
10 students per teacher
Saint James, NY
AOverall grade126 students10 students per teacher
#17 Private Schools with the Smallest Classes in Suffolk County, NY
The Stony Brook School
Christian school (nondenominational) · Grades 7–12
10.1 students per teacher
Stony Brook, NY
B+Overall grade442 students10 students per teacher
#18 Private Schools with the Smallest Classes in Suffolk County, NY
St. Patrick's School
Parish school · Grades Pre-K–8
10.9 students per teacher
Huntington, NY
A-Overall grade445 students11 students per teacher
#19 Private Schools with the Smallest Classes in Suffolk County, NY
Our Lady of the Hamptons Regional Catholic School
Parish school · Grades Pre-K–8
11 students per teacher
Southampton, NY
A+Overall grade291 students11 students per teacher
#20 Private Schools with the Smallest Classes in Suffolk County, NY
Bay Shore Christian School
Assembly of God school · Grades K–6
11.8 students per teacher
Bay Shore, NY
BOverall grade71 students12 students per teacher
#21 Private Schools with the Smallest Classes in Suffolk County, NY
Our Lady of Guadalupe Catholic School
Diocesan school · Grades Pre-K–8
11.9 students per teacher
Deer Park, NY
A+Overall grade380 students12 students per teacher
#22 Private Schools with the Smallest Classes in Suffolk County, NY
Trinity Regional School-East Northport Campus
Diocesan school · Grades Pre-K–8
12.3 students per teacher
East Northport, NY
A-Overall grade253 students12 students per teacher
#23 Private Schools with the Smallest Classes in Suffolk County, NY
Holy Angels Regional School
Diocesan school · Grades Pre-K–8
12.4 students per teacher
Patchogue, NY
B+Overall grade191 students12 students per teacher
#24 Private Schools with the Smallest Classes in Suffolk County, NY
St. John the Baptist Diocesan High School
Diocesan school · Grades 9–12
15 students per teacher
West Islip, NY
AOverall grade969 students15 students per teacher
From official public records, updated October 2026.