Photo: DanTD · CC BY-SA 3.0Islip’s public schools outscore 78% of New York districts
Math proficiency in Islip’s districts is 67%, above the New York average (46%). The grade covers the public school district serving Islip, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within New York, not nationally.
From New York state tests taken in spring 2022, when 41% of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.
Islip’s schools, in brief
Against towns with similar incomes
Among the 488 New York towns with household incomes within a quarter of Islip’s, its schools beat 66%, lower than their 78% against all the state’s districts. The grade ↓
Above the state on both counts
Reading proficiency is 52% and math 67% in spring 2022, against 49% and 46% statewide; 93% of the class of 2023 graduated in four years, against 87%. Test scores ↓
Spending and class size
The district spends $37,752 per student, against $34,607 across New York (FY2024). Spending doesn’t count toward the grade. Districts ↓
Seven elementary schools, then two middle and one high school
Which school depends on the address at every step. See the path ↓
Choice beyond the district
South Shore Charter School, St. John the Baptist Diocesan High School (private), St. Patrick School (private), St. Mary School (private), MDQ Academy (private), Nysarc Inc-Suffolk Chapter (private), Developmental Disabilities Institute (private), Bay Shore Christian School (private) and West Sayville Christian School (private) are in town. Every school ↓
Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
What’s behind Islip’s grade
A−: better than 78% of New York school districts, #125 of 755 New York towns. Test scores and graduation are both above the New York average; test scores are the stronger of the two.
Where will my kid go?
Pick a grade. These are the public schools that serve Islip, with each school’s own grade.
Pre-K in Islip · depends on your address
Edward J Bosti Elementary School
Grades PK–5 · 269 students · 9:1 students per teacher · in Bohemia
Edith L Slocum Elementary School
Grades PK–5 · 257 students · 12:1 students per teacher · in Ronkonkoma
Idle Hour Elementary School
Grades PK–5 · 218 students · 13:1 students per teacher · in Oakdale
6th grade in Islip · depends on your address
Ronkonkoma Middle School
Grades 6–8 · 641 students · 9:1 students per teacher · in Ronkonkoma
Oakdale-Bohemia Middle School
Grades 6–8 · 564 students · 10:1 students per teacher · in Oakdale
7th grade in Islip · depends on your address
Ronkonkoma Middle School
Grades 6–8 · 641 students · 9:1 students per teacher · in Ronkonkoma
Oakdale-Bohemia Middle School
Grades 6–8 · 564 students · 10:1 students per teacher · in Oakdale
8th grade in Islip · depends on your address
Ronkonkoma Middle School
Grades 6–8 · 641 students · 9:1 students per teacher · in Ronkonkoma
Oakdale-Bohemia Middle School
Grades 6–8 · 564 students · 10:1 students per teacher · in Oakdale
9th grade in Islip
Connetquot High School
Grades 9–12 · 1,774 students · 11:1 students per teacher · in Bohemia
10th grade in Islip
Connetquot High School
Grades 9–12 · 1,774 students · 11:1 students per teacher · in Bohemia
Islip’s public schools are run by Connetquot Central School District. Parts of Islip (16%, 12%, 8%, 8%, 7%, 6%, 5%, 5%, 5%, 3% and 2% of its land) are served by Brentwood Union Free, East Islip Union Free, Central Islip Union Free, Bay Shore Union Free, Sachem Central, West Islip Union Free, Hauppauge Union Free, Sayville Union Free, Islip Union Free, Bayport-Blue Point Union Free and Fire Island Union Free instead. To confirm the school for a specific address, ask the district.
The district
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Above the state in reading
Islip vs. its neighbors
Schools grades for the New York towns that share Islip’s borders.
| Town | Schools | Main districts |
|---|---|---|
| Islip | A− | Connetquot Central |
| Brookhaven | B | Longwood Central |
| Babylon | — | — |
| Babylon (village) | A− | Babylon Union Free |
| Smithtown | A | Kings Park Central PK–12 · Smithtown Central K–12 |
| Huntington | A | Half Hollow Hills Central |
Every school in Islip
87 schools. Each public school’s letter compares its own 2020–21 reading and math results with New York’s other public schools (the newest school-level results we have).
Questions about Islip’s schools
Are Islip’s schools good?
By New York’s own tests, yes: the public schools Islip children attend outscore 78% of New York’s school districts on tests and graduation, an A− Schools grade, #125 of 755 New York towns. Among towns with similar incomes they beat 66%. Tests are from 2021–22, graduation from the class of 2023.
What school district is Islip in?
Connetquot Central School District, which runs grades PK–12 and enrolls 5,227 students in 10 schools (2024–25). Small parts of Islip are served by Brentwood Union Free, East Islip Union Free, Central Islip Union Free, Bay Shore Union Free, Sachem Central, West Islip Union Free, Hauppauge Union Free, Sayville Union Free, Islip Union Free, Bayport-Blue Point Union Free and Fire Island Union Free.
Where do Islip kids go to high school?
Connetquot High School in Bohemia, with 1,774 students; its own test results earn an A.
What is Islip’s graduation rate?
93% of the class of 2023 in Connetquot Central School District graduated in four years, against 87% across New York.
How much does Islip spend per student?
$37,752 in Connetquot Central School District (FY2024), against $34,607 across New York. Spending doesn’t count toward the grade.
Are there private schools in Islip?
Yes: St. John the Baptist Diocesan High School (Catholic, grades 9–12, 969 students), St. Patrick School (Catholic, grades PK–8, 438 students), St. Mary School (Catholic, grades K–8, 331 students), MDQ Academy (religious, grades PK–12, 285 students), Nysarc Inc-Suffolk Chapter (special education, grades PK, 120 students), Developmental Disabilities Institute (special education, grades PK, 78 students), Bay Shore Christian School (religious, grades K–6, 71 students) and West Sayville Christian School (religious, grades K–12, 40 students). Islip also has 1 charter school, free and open by application.
Parents talk
What Islip families are saying about school.
Looking for colleges? Colleges near Islip → They have their own page.
School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within New York. Stars are from neighbors.