Overview
WILLIAM SIDNEY MOUNT ELEMENTARY SCHOOL is a public primary in STONY BROOK, New York. The school enrolls 514 students. It is part of the THREE VILLAGE CENTRAL SCHOOL DISTRICT district.
Source: NCES CCD (2023)
Strengths & Things to Consider
Indicators pulled from NCES CCD and benchmarked against New York state averages. This is not a ranking — different families value different things.
Strengths
Smaller-than-average class sizes
13.9:1 student-to-teacher ratio (US average ≈ 16:1)
Serves a relatively affluent student body
20% free/reduced-lunch eligibility (below 59% state average)
Things to Consider
No official school website listed in our source data
This is a data-completeness gap, not a reflection of the school
Key Facts
SectorPublic
School TypeRegular
LevelPrimary
DistrictTHREE VILLAGE CENTRAL SCHOOL DISTRICT
County36103
CitySTONY BROOK
ZIP11790
CharterNo
MagnetNo
Title INo
NCES School ID362820003810
Student Demographics
Total Enrollment514
Race/ethnicity breakdown will appear here once state-level demographic data is ingested. Check back soon.
Source: NCES CCD (2023)
Equity & Title I
In the United States, Free/Reduced Lunch (FRL) eligibility is the primary federal proxy for student poverty. Schools with 40% or more FRL-eligible students typically qualify for Title I school-wide programs.
FRL %20%
State Avg59%
Title INo
Source: NCES CCD (2023)