Regular local school district · Suffolk County
Mount Sinai Union Free School District, NY: schools, enrollment and spending
Mount Sinai Union Free School District runs 3 public schools with 2,006 students in grades K to 12. Its ratio of 11.7 students per teacher is about the same as the New York figure of 11.4.Listed in NCES data as "MOUNT SINAI UNION FREE SCHOOL DISTRICT".
At a glance
- Schools
- 3
- Students
- 2,006
- Teachers (FTE)
- 172
- Students per teacher
- 11.7
- NY: 11.4 · US: 15.3
- Address
- 118 N Country Rd, Mount Sinai, NY 11766
- Phone
- (631)870-2550
- County
- Suffolk County
- Locale
- Suburb: Large
- Grades offered
- K to 12
- Agency type
- Regular local school district
- NCES district ID
- 3620040
- State district ID
- NY-580207020000
- Total staff (FTE)
- 345
- School counselors (FTE)
- 6.0About 334 students per counselor.
- School administrators (FTE)
- 6.0
Students per teacher compared
This district11.7
New York11.4
United States15.3
2020 finance data
From the F-33 School District Finance Survey for fiscal year 2020, in nominal dollars. Enrollment used for per-pupil figures is the finance survey count (2,124), which can differ from 2024-25 enrollment.
- Total revenue
- $61.4 million
- Federal revenue
- $1.1 million
- State revenue
- $21.4 million
- Local revenue
- $39.0 million
- Total spending
- $59.9 million
- Spending per pupil
- $28,208
- Salaries
- $35.1 million58.6% of total spending.
- Long-term debt (end of year)
- $2.4 million
Where revenue came from
- Federal: 1.8%
- State: 34.8%
- Local: 63.5%
New York overall
- Federal: 4.5%
- State: 37.7%
- Local: 57.8%
Spending per pupil compared
This district$28,208
New York$30,973
United States$16,826
Schools in Mount Sinai Union Free School District
By level: 1 high, 1 middle, 1 elementary. A CEP school serves free meals to all students.
| Mount Sinai Elementary School | Elementary | K to 4 | 657 | 12.6 |
| Mount Sinai Middle School | Middle | 5 to 8 | 617 | 11.4 |
| Robert M Grable Jr Mount Sinai High School | High | 9 to 12 | 710 | 11.1 |
Nearby and related
Other districts in Suffolk County
- Brentwood Union Free School District 18,462 students
- Sachem Central School District 11,697 students
- William Floyd Union Free School District 9,670 students
- Middle Country Central School District 9,545 students
- Longwood Central School District 9,029 students
- Central Islip Union Free School District 7,981 students
- Patchogue-Medford Union Free School District 7,704 students
- Smithtown Central School District 7,540 students
- Half Hollow Hills Central School District 7,302 students
- Bay Shore Union Free School District 5,874 students
- South Huntington Union Free School District 5,780 students
- Riverhead Central School District 5,753 students
- Three Village Central School District 5,649 students
- Lindenhurst Union Free School District 5,635 students
- Commack Union Free School District 5,449 students
More in New York
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Finance figures are 2020 finance data in nominal dollars, not adjusted for inflation. Blank values are not available, not applicable or suppressed in the source. See the methodology.