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William Sidney Mount Elementary School
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Three Village Central School District

Three Village Central School District emblemDistrict emblem

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School district
Three Village Central School District
Reported grades
Pre-K, K, 1, 2, 3, 4, 5
Campus address
50 Dean Ln, Stony Brook, NY 11790

Grades source: NCES 2025–26 preliminary directory. Campus and identity: NCES 2025–26 preliminary directory, with current official sources where noted. NCES school ID: 362820003810.

Official school / district website NCES school record

CURRENT MLS MATCHES

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12 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 The school field may be incomplete or outdated.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.

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