Francis J O'Neill School Homes for Sale · Central Islip Union Free School District

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School district: Central Islip Union Free School District
Reported grades: K–6
Campus address: 545 Clayton St, Central Islip, NY 11722

Grades source: NCES 2025–26 preliminary directory. Campus and identity: NCES 2025–26 preliminary directory, with current official sources where noted. NCES school ID: 360687000476.

Official school / district website NCES school record

CURRENT MLS MATCHES

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5 active residential listings · Newest first

For-sale residential listings only, in Nassau or Suffolk County, with an exact reviewed school and district match. The school field may be incomplete or outdated. This is not an attendance boundary map.