Schools in Central Islip Union Free School District, New York (2025)
8 schools · 7,773 students · 8 public · median Enrollment 821.
Central Islip Union Free School District, in New York, has 8 schools in United States's 2025 data, together educating about 7,773 students. By level there are 6 elementary, 1 high, 1 middle; by sector 8 public.
The median Enrollment across Central Islip Union Free School District's schools is 821, above the New York median of 428. Students enrolled in the latest NCES directory year.
8 of the 8 schools qualify for the Success Index (US). The highest-scoring is Central Islip Senior High School (72.5, top 25% of high schools nationally), followed by Cordello Avenue Elementary School (48.1, lower 50% of elementary schools nationally), and Andrew T Morrow School (36.7, lower 50% of elementary schools nationally). Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Central Islip Senior High School (2,615 students), Ralph Reed School (1,192 students), Charles A Mulligan Elementary School (997 students).
Ranked schools in Central Islip Union Free School District
Ordered by Success Index (US). Rank positions shown on each profile are within United States and New York.
- 173Central Islip Senior High SchoolCentral Islip · Public High87% Math proficiency · 2,615 students
- 248Cordello Avenue Elementary SchoolCentral Islip · Public Elementary46% Math proficiency · 490 students
- 337Andrew T Morrow SchoolIslandia · Public Elementary41% Math proficiency · 821 students
- 434Francis J O'neill SchoolCentral Islip · Public Elementary40% Math proficiency · 600 students
- 534Marguerite L Mulvey SchoolCentral Islip · Public Elementary30% Math proficiency · 567 students
- 627Charles A Mulligan Elementary SchoolCentral Islip · Public Elementary30% Math proficiency · 997 students
- 726Anthony Alfano Elementary SchoolCentral Islip · Public Elementary24% Math proficiency · 491 students
- 824Ralph Reed SchoolCentral Islip · Public Middle14% Math proficiency · 1,192 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Central Islip Senior High School Central Islip · High · Grades 9–12 | Public | 72.5 Top 25% | 87% Math proficiency | 2,615 |
| 2 | Cordello Avenue Elementary School Central Islip · Elementary · Grades K–6 | Public | 48.1 Lower 50% | 46% Math proficiency | 490 |
| 3 | Andrew T Morrow School Islandia · Elementary · Grades K–6 | Public | 36.7 Lower 50% | 41% Math proficiency | 821 |
| 4 | Francis J O'neill School Central Islip · Elementary · Grades K–6 | Public | 33.5 Lower 50% | 40% Math proficiency | 600 |
| 5 | Marguerite L Mulvey School Central Islip · Elementary · Grades K–6 | Public | 33.5 Lower 50% | 30% Math proficiency | 567 |
| 6 | Charles A Mulligan Elementary School Central Islip · Elementary · Grades K–6 | Public | 26.9 Lower 50% | 30% Math proficiency | 997 |
| 7 | Anthony Alfano Elementary School Central Islip · Elementary · Grades PK–6 | Public | 26.1 Lower 50% | 24% Math proficiency | 491 |
| 8 | Ralph Reed School Central Islip · Middle · Grades 7–8 | Public | 24.3 Lower 50% | 14% Math proficiency | 1,192 |
Compare the top 4 schools in Central Islip Union Free School District side by side →
Citys in Central Islip Union Free School District
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Frequently asked questions
What is the best school in Central Islip Union Free School District?
Central Islip Senior High School is the highest-ranked school in Central Islip Union Free School District with a Success Index (US) of 72.5 out of 100 (Top 25% of high schools in United States).
How many schools are in Central Islip Union Free School District?
Central Islip Union Free School District has 8 schools (1 high, 6 elementary, 1 middle) educating 7,773 students in 2025.
What is the typical Enrollment in Central Islip Union Free School District?
The median Enrollment across schools in Central Islip Union Free School District is 821. Students enrolled in the latest NCES directory year.