Beta You're viewing our redesigned school page. Prefer the classic layout?

St Mary School

Private, Roman Catholic Grades K-8

331

Students ?

15.8

Student/teacher ratio ?

16 Harrison Ave
East Islip, NY 11730

(631) 581-3423

Racial breakdown:

White:

79.8%

Two or more races:

11.2%

African American:

6.9%

See top rated New York public schools

Compare St Mary School to nearby private schools!

1.0

1 rating

5★0

4★0

3★0

2★0

1★1

Rate St Mary School

Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.

Takes about a minute. We email you a link to verify your review - your address is never shown publicly.

Tap a star to rate

Reviews

No written reviews yet. If you know this school, be the first to share what stands out.

Schools Near St Mary School

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

School								Students/Teachers											% 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	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	% 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	Total
St Mary School	Private, Roman Catholic	K-8	16 Harrison Ave	East Islip	11730	Suffolk County	(631) 581-3423	331	21	15.8		264 (79.8%)	23 (6.9%)	1 (0.3%)	5 (1.5%)	0 (0.0%)	1 (0.3%)	37 (11.2%)	96.9	97.5	99.2	99.2	99.2	98.1	98.9	99.2
Chatterbox Day School	Private, Nonsectarian	PK, KG-1	52 Hawthorne Ave	East Islip	11730	Suffolk County	(631) 581-4756												100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
St Patrick School	Private, Roman Catholic	PK, KG-8	6 N Clinton Ave	Bay Shore	11706	Suffolk County	(631) 665-0569	438	26	14.9		0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	98.6	99.4	99.8	99.8	99.8	99.4	99.8	99.8
Heritage Christian Academy	Private, Baptist	PK, KG-5	1380 5th Ave	Bay Shore	11706	Suffolk County	(631) 968-5358												0.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
Mdq Academy	Private, Islamic	PK, KG-12	1725 Brentwood Rd	Brentwood	11717	Suffolk County	(631) 665-5036	285	30	9.2		40 (14.0%)	1 (0.4%)	2 (0.7%)	217 (76.1%)	0 (0.0%)	0 (0.0%)	16 (5.6%)	96.0	97.6	98.8	98.8	98.8	98.2	99.1	98.5
Bay Shore Christian School	Private, Assembly of God	K-6	211 Bay Shore Rd	Bay Shore	11706	Suffolk County	(631) 665-5241	71	6	11.8		10 (14.1%)	44 (62.0%)	16 (22.5%)	1 (1.4%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Nysarc Inc-Suffolk Chapter	Private, Nonsectarian	PK	45 Crossway E	Bohemia	11716	Suffolk County	(631) 218-4949	120	9	10.0		33 (27.5%)	9 (7.5%)	40 (33.3%)	7 (5.8%)	0 (0.0%)	0 (0.0%)	1 (0.8%)
West Sayville Christian School	Private, Christian (no specific denomination)	K-12	37 Rollstone Ave	West Sayville	11796	Suffolk County	(631) 589-2180	40	12	3.4		17 (42.5%)	6 (15.0%)	11 (27.5%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	6 (15.0%)	97.1	97.1	100.0	100.0	100.0	100.0	100.0	100.0
Bridges Academy (The)	Private, Nonsectarian	PK, KG-8	339 Snedecor Ave	West Islip	11795	Suffolk County	(631) 446-8050	269	23	8.3		115 (42.8%)	21 (7.8%)	28 (10.4%)	8 (3.0%)	0 (0.0%)	0 (0.0%)	20 (7.4%)	98.1	98.1	98.1	98.1	98.1	98.1	98.1	98.1
Our Lady Of Lourdes School	Private, Roman Catholic	PK, KG-8	44 Toomey Rd	West Islip	11795	Suffolk County	(631) 587-7200

Frequently Asked Questions about St Mary School

How many students attend St Mary School?

In the 2023-24 school year, 331 students attended St Mary School.

What is the racial makeup of St Mary School?

Students at St Mary School are 80% White, 11% Two or more races, 7% African American, 2% Asian.

Rate St Mary School!

Other helpful SchoolDigger resources...

Compare to nearby schools

NYNew York Public School Rankings

NYNew York District Rankings

Private Schools in East Islip, NY

Sign up for updates!

Be the first to know when there is an update for St Mary School!

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.

Diagnostics

None retrieved from Database in 60 milliseconds.