Robert Cushman Murphy Junior High School
Stony Brook, NY
Grades 7 to 9 · 655 students
Public school
William Sidney Mount Elementary School
Stony Brook, New York · Grades PreK to 6 · Three Village Central School District
Public school
About William Sidney Mount Elementary School
Located in Stony Brook, New York, William Sidney Mount Elementary School is a public school for pre-K through grade 6. It reported 525 students in 2024-25. There are about 13.1 students for every full-time-equivalent teacher (40.2 teachers in all). Families comparing options will find 47 other schools within 5 miles. It is one of 8 schools in Three Village Central School District. Federal locale data places it in a suburb of a large metro area, in Suffolk County.
Open Houses & Tours
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School facts
| Address | 50 Dean Ln, Stony Brook, NY 11790 |
|---|---|
| Phone | (631) 730-4300 |
| School district | Three Village Central School District |
| Grades | PreK to 6 |
| Students (2024-25) | 525 |
| Teachers (full-time equivalent, 2024-25) | 40.2 |
| Students per teacher | 13.1 |
| Charter school | No |
| School type | Regular |
| Level | Elementary |
| Locale (NCES) | Suburb, large, Suffolk County |
Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 362820003810). Details may have changed since the survey. Schools can update them by claiming this profile.
Nearby schools
Harbor Country Day SchoolPrivate · Grades PreK to 8Saint James, NY · 1.1 miRobert Cushman Murphy Junior High SchoolPublic · Grades 7 to 9Stony Brook · 1.2 miMills Pond Elementary SchoolPublic · Grades K to 5St James, NY · 1.3 miMontessori School at Old FieldPrivate · Grades PreK to 3Setauket, NY · 1.3 miSaint James Elementary SchoolPublic · Grades K to 5Saint James, NY · 1.4 miSS Philip & James SchoolPrivate, Roman Catholic · Grades PreK to 8Saint James, NY · 1.8 miNassakeag Elementary SchoolPublic · Grades PreK to 6East Setauket, NY · 2 miThe Stony Brook SchoolPrivate, Christian (nondenominational) · Grades 7 to 12Stony Brook · 2 mi
The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.
Frequently asked questions
What grades does William Sidney Mount Elementary School serve?
William Sidney Mount Elementary School serves pre-K through grade 6.
How many students attend William Sidney Mount Elementary School?
William Sidney Mount Elementary School reported 525 students in 2024-25, according to the NCES Common Core of Data.
What is the student-teacher ratio at William Sidney Mount Elementary School?
About 13.1 students per full-time-equivalent teacher, based on 525 students and 40.2 teachers in federal data.
Is William Sidney Mount Elementary School a public or charter school?
William Sidney Mount Elementary School is a traditional public (non-charter) school.
What school district is William Sidney Mount Elementary School in?
William Sidney Mount Elementary School is part of Three Village Central School District. See all schools in this district at https://parentschoolreview.com/districts/ny/three-village-central-school-district/
Where is William Sidney Mount Elementary School located?
William Sidney Mount Elementary School is at 50 Dean Ln, Stony Brook, NY 11790. The phone number is (631) 730-4300.
How many other schools are near William Sidney Mount Elementary School?
There are 47 other schools within 5 miles of William Sidney Mount Elementary School in our directory.
Is this your school?
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ParentSchoolReview is owned and operated by School Success. Disclosure.
Other public and charter schools in Stony Brook
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