Kellenberg Memorial High School, Uniondale NY: 6-12

Kellenberg Memorial High School is a Roman Catholic private school in Uniondale, NY teaching grades 6-12. It reported 2,692 students and about 21.8 students for every teacher in the 2023-24 federal survey.

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School facts

Grades: 6-12
Students: 2,692
Teachers: 124
Students per teacher: 21.8
Student body: Coeducational
Affiliation: Roman Catholic
Go on to a 4-year college: 92%
Setting: Suburb

Member of: National Catholic Educational Association

These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.

Kellenberg Memorial High School tuition

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Other private schools nearby

School	Grades	Students	Per teacher	Affiliation	Miles
St. Martin de Porres Marianist School	PreK-8	298	11.5	Roman Catholic	1
Hanc - Middle & High School	7-12	422	7.8	Jewish	1
Long Island Montessori School	PreK-K	3	not reported	Nonsectarian	2
Community Academic Prep	11	3	3	Nonsectarian	2
Progressive School of Long Island	K-8	63	4.4	Nonsectarian	2
The Children's Learning Center	PreK	137	10.2	Nonsectarian	3
Crescent School	K-12	270	11.3	Nonsectarian	3
Sacred Heart Academy	9-12	677	13.5	Roman Catholic, all-girls	3

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