District Contact & Information
Source: NCES CCD 2024–25Schools in Mount Sinai Union Free School District
3 schools listed| School | Level | Grades | Students | City |
|---|---|---|---|---|
| MOUNT SINAI ELEMENTARY SCHOOL | Elementary | Kindergarten – 4th | 657 | MOUNT SINAI |
| MOUNT SINAI MIDDLE SCHOOL | Middle | 5th – 8th | 617 | MOUNT SINAI |
| ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL | High | 9th – 12th | 710 | MOUNT SINAI |
Zip Codes Served by Mount Sinai Union Free School District
1 zip code| Zip Code | City | County | State |
|---|---|---|---|
| 11766 | Mount Sinai | Suffolk County | NY |
Frequently Asked Questions
About Mount Sinai Union Free School District
Mount Sinai Union Free School District is a public school district serving 1 zip code in New York, primarily in Suffolk County. It carries an overall rating of 8/10 (Good), the 76th percentile among New York districts. That rating reflects the share of students proficient in reading and math on state assessments (NY State tests 2023–24) and is ranked only against other New York districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 3 schools operating under Mount Sinai Union Free School District — 1 elementary, 1 middle and 1 high. The largest by enrollment is ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL with 710 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (631)870-2550 before making a housing decision.