#1 Most Diverse Private Schools in Nassau County, NY
Grace Christian Academy
Baptist school · Grades K–12
Largest group: 31% of students
Merrick, NY
A+Overall grade143 students7 students per teacher
2026 lists
Most Diverse Private Schools in Nassau County, NY
Private schools in Nassau County, NY with the most varied mix of students. Top 50 of 63 schools.
#2 Most Diverse Private Schools in Nassau County, NY
Harriet Eisman Community School
Alternative school · Grades 9–12
Largest group: 32% of students
Long Beach, NY
B+Overall grade65 students17 students per teacher
#3 Most Diverse Private Schools in Nassau County, NY
St. Brigid/Our Lady of Hope Regional School
Diocesan school · Grades Pre-K–8
Largest group: 34% of students
Westbury, NY
A+Overall grade182 students10 students per teacher
#4 Most Diverse Private Schools in Nassau County, NY
St. Mary's High School
Parish school · Grades 9–12
Largest group: 37% of students
Manhasset, NY
A+Overall grade329 students13 students per teacher
#5 Most Diverse Private Schools in Nassau County, NY
St. Marys High School
Parish school · Grades 9–12
Largest group: 37% of students
Manhasset, NY
B+Overall grade329 students13 students per teacher
#6 Most Diverse Private Schools in Nassau County, NY
Progressive School of Long Island
Alternative school · Grades K–8
Largest group: 41% of students
Merrick, NY
A+Overall grade63 students4 students per teacher
#7 Most Diverse Private Schools in Nassau County, NY
Mill Neck Manor School for the Deaf
Special education school · Grades Pre-K–12
Largest group: 42% of students
Mill Neck, NY
AOverall grade79 students4 students per teacher
#8 Most Diverse Private Schools in Nassau County, NY
The Waldorf School of Garden City
Independent school · Grades Pre-K–12
Largest group: 43% of students
Garden City, NY
A+Overall grade238 students6 students per teacher
#9 Most Diverse Private Schools in Nassau County, NY
Long Island Lutheran Middle & High School
Lutheran (Missouri Synod) school · Grades 6–12
Largest group: 45% of students
Glen Head, NY
A-Overall grade452 students12 students per teacher
#10 Most Diverse Private Schools in Nassau County, NY
Tiegerman Middle School
Special education school · Grades 7–9
Largest group: 46% of students
Glen Cove, NY
BOverall grade123 students7 students per teacher
#11 Most Diverse Private Schools in Nassau County, NY
Tiegerman Elementary School
Special education school · Grades Pre-K–6
Largest group: 46% of students
Glen Cove, NY
A+Overall grade109 students4 students per teacher
#12 Most Diverse Private Schools in Nassau County, NY
St. Martin De Porres Marianist School
Independent Catholic school · Grades Pre-K–8
Largest group: 50% of students
Uniondale, NY
AOverall grade298 students12 students per teacher
#13 Most Diverse Private Schools in Nassau County, NY
Vincent Smith School
Special education school · Grades 2–12
Largest group: 52% of students
Port Washington, NY
A+Overall grade56 students3 students per teacher
#14 Most Diverse Private Schools in Nassau County, NY
Our Lady of Victory School
Parish school · Grades Pre-K–8
Largest group: 53% of students
Floral Park, NY
A+Overall grade279 students13 students per teacher
#15 Most Diverse Private Schools in Nassau County, NY
Notre Dame School
Diocesan school · Grades Pre-K–8
Largest group: 54% of students
New Hyde Park, NY
A+Overall grade267 students12 students per teacher
#16 Most Diverse Private Schools in Nassau County, NY
Lawrence Woodmere Academy
Independent school · Grades Pre-K–12
Largest group: 54% of students
Woodmere, NY
A+Overall grade114 students3 students per teacher
#17 Most Diverse Private Schools in Nassau County, NY
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades K–8
Largest group: 54% of students
Hicksville, NY
A-Overall grade112 students11 students per teacher
#18 Most Diverse Private Schools in Nassau County, NY
Magen Israel-Gan Israel Center
Jewish day school · Grades Pre-K–7
Largest group: 54% of students
Great Neck, NY
AOverall grade74 students8 students per teacher
#19 Most Diverse Private Schools in Nassau County, NY
Harmony Heights School
Special education school · Grades 8–12
Largest group: 58% of students
East Norwich, NY
A-Overall gradeAll girls55 students5 students per teacher
#20 Most Diverse Private Schools in Nassau County, NY
De La Salle School
Independent Catholic school · Grades 5–8
Largest group: 58% of students
Freeport, NY
AOverall gradeAll boys53 students10 students per teacher
#21 Most Diverse Private Schools in Nassau County, NY
Portledge School
Independent school · Grades Pre-K–12
Largest group: 61% of students
Locust Valley, NY
AOverall grade518 students8 students per teacher
#22 Most Diverse Private Schools in Nassau County, NY
East Woods School
Independent school · Grades Pre-K–8
Largest group: 61% of students
Oyster Bay, NY
A+Overall grade133 students3 students per teacher
#23 Most Diverse Private Schools in Nassau County, NY
Woodward Childrens Center
Special education school · Grades 8–12
Largest group: 61% of students
Freeport, NY
B+Overall grade82 students8 students per teacher
#24 Most Diverse Private Schools in Nassau County, NY
Martin De Porres
Special education school · Ungraded
Largest group: 65% of students
Elmont, NY
BOverall grade213 students10 students per teacher
From official public records, updated October 2026.