Best Public Schools in Mount Sinai, NY

Summary:

The Mount Sinai school district in New York serves students from one high school, one middle school, and one elementary school. Based on the data, the Robert M Grable Junior Mount Sinai High School stands out as an exceptional institution, consistently ranking among the top high schools in the state and earning a 5-star rating from SchoolDigger. In contrast, the Mount Sinai Middle School and Mount Sinai Elementary School, while still performing well, do not demonstrate the same level of academic excellence.

The high school's test scores are particularly impressive, with proficiency rates exceeding 90% in many Regents exams. The school also boasts a solid 84.3% 4-year graduation rate and a low 4.5% dropout rate. Additionally, the district as a whole appears to be well-resourced, with relatively low free/reduced lunch rates and high per-student spending levels, suggesting a focus on providing a high-quality education for the community.

Overall, the Mount Sinai Union Free School District is delivering exceptional educational outcomes, particularly at the high school level. The combination of strong academic performance, low dropout rates, and small class sizes indicates that the district is effectively meeting the needs of its students and providing a solid foundation for their future success.

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				Regents Chemistry (2025)	Regents Common Core Algebra II (2025)	Regents Common Core English Language Arts (2025)	Regents Common Core Geometry (2025)	Regents Earth Science (2025)	Regents Global History and Geography (2025)	Regents Living Environment (2025)	Regents Physics (2025)	Regents U.S. History and Government (2025)	Regents Algebra I (2025)	Regents Geometry (2025)	NY State Assessments English Language Arts (2025)						NY State Assessments Math (2025)						NY State Assessments Science (2025)		% Completely Immunized (2020)	% Polio (2020)	% Measles (2020)	% Mumps (2020)	% Rubella (2020)	% Diphtheria (2020)	% Hepatitis B (2020)	% Varicella (2020)	Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	Regents Chemistry End of Course	Regents Common Core Algebra II End of Course	Regents Common Core English Language Arts End of Course	Regents Common Core Geometry End of Course	Regents Earth Science End of Course	Regents Global History and Geography End of Course	Regents Living Environment End of Course	Regents Physics End of Course	Regents U.S. History and Government End of Course	Regents Algebra I End of Course	Regents Geometry End of Course	NY State Assessments English Language Arts 3rd Grade	NY State Assessments English Language Arts 4th Grade	NY State Assessments English Language Arts 5th Grade	NY State Assessments English Language Arts 6th Grade	NY State Assessments English Language Arts 7th Grade	NY State Assessments English Language Arts 8th Grade	NY State Assessments Math 3rd Grade	NY State Assessments Math 4th Grade	NY State Assessments Math 5th Grade	NY State Assessments Math 6th Grade	NY State Assessments Math 7th Grade	NY State Assessments Math 8th Grade	NY State Assessments Science 5th Grade	NY State Assessments Science 8th Grade	% Completely Immunized All Grades	% Polio All Grades	% Measles All Grades	% Mumps All Grades	% Rubella All Grades	% Diphtheria All Grades	% Hepatitis B All Grades	% Varicella All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Mount Sinai Elementary School	Public	K-4	118 N Country Rd	Mount Sinai	11766	Suffolk County	Mount Sinai Union Free School District	No	No	No	Yes	(631) 870-2600	657	53	12.4	15.7%	473 (72.0%)	12 (1.8%)	123 (18.7%)	36 (5.5%)	0 (0.0%)	1 (0.2%)	12 (1.8%)	69.3	710^th of 2445 public elementary schools	71.0%		85.4	305^th of 2445 public elementary schools	87.5%	405												51.7	76.0					70.0	79.0							98.5	98.9	99.7	99.7	99.7	99.3	99.4	99.6	$31,434	$605	$30,829
Mount Sinai Middle School	Public	5-8	114 N Country Rd	Mount Sinai	11766	Suffolk County	Mount Sinai Union Free School District	No	No	No	Yes	(631) 870-2700	617	55	11.2	12.3%	483 (78.3%)	6 (1.0%)	77 (12.5%)	39 (6.3%)	0 (0.0%)	0 (0.0%)	12 (1.9%)	73.4	339^th of 1500 public middle schools	77.4%		62	509^th of 1504 public middle schools	66.2%	170					100.0					100.0				60.3	54.8	68.6	65.6			49.4	52.5	80.6	50.0	52.6	66.7									$31,438	$606	$30,832
Robert M Grable Junior Mount Sinai High School	Public	9-12	110 N Country Rd	Mount Sinai	11766	Suffolk County	Mount Sinai Union Free School District	No	No	No	Yes	(631) 870-2800	710	65	10.9	12.3%	524 (73.8%)	9 (1.3%)	100 (14.1%)	63 (8.9%)	0 (0.0%)	1 (0.1%)	13 (1.8%)	88.5	23^rd of 1234 public high schools	98.1%		84.7	40^th of 1242 public high schools	96.8%	17	89.3	99.2	96.5	40.0	88.7	98.1	94.0	80.0	98.8	97.1	97.2															99.2	99.4	99.7	99.7	99.7	100.0	100.0	99.9	$31,514	$606	$30,908

Cities Near Mount Sinai

City	Distance	# of Schools	Statewide Rank
Miller Place	1.2 mi	4	474^th
Port Jefferson Station	1.98 mi	6	677^th
Port Jefferson	2.42 mi	3	106^th
Middle Island	3.26 mi	4	539^th
East Setauket	3.42 mi	4	80^th

See the top NY New York cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the WNYC and the New York State Department of Health and the NY State Education Department.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.