School Overview
The Francis J. O’Neill School is a public elementary school located in Central Islip, New York, serving students within the Central Islip Union Free School District. Situated on Clayton Street, the school is dedicated to fostering a supportive learning environment that emphasizes foundational academic skills, social-emotional development, and community engagement. As part of the broader district, it strives to prepare its diverse student body for future academic success by offering a curriculum aligned with state standards and supported by a variety of extracurricular opportunities.

The school places a strong emphasis on fostering a collaborative culture between educators, students, and families to ensure that every child has the resources necessary to reach their full potential. By utilizing the district’s integrated resources, the Francis J. O’Neill School maintains a focus on inclusivity and character building, helping students navigate their primary education years. For more detailed information regarding school programs, academic performance, or district policies, parents and community members are encouraged to visit the official Central Islip School District website at [www.centralislip.k12.ny.us](http://www.centralislip.k12.ny.us).
600
Total Students
43.7
Full-Time Teachers
13.7
Student/Teacher Ratio
75.2%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for FRANCIS J O'NEILL SCHOOL
Demographic Student Count
White14
Hispanic443
Black114
Asian6
Two or More20
American Indian2
Pacific Islander1
  • Hispanic
    443 (73.8%)
  • Black
    114 (19.0%)
  • Two or More
    20 (3.3%)
  • White
    14 (2.3%)
  • Asian
    6 (1.0%)
  • American Indian
    2 (0.3%)
  • Pacific Islander
    1 (0.2%)
School Location
School Details
Status: Open
School Level: Elementary School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Phone: (631)348-5060
Website: http://www.centralislip.k12.ny.us
Grade Range: K - 6th
Total Students: 600
Full-Time Teachers (FTE): 43.7
Pupil/Teacher Ratio: 13.7
NSLP Participation:1 Yes under Community Eligibility Option (CEO)
Qualified Free Lunch: 417
Qualified Reduced Lunch: 34
Grades Taught
Kindergarten 60
Grade 1 73
Grade 2 88
Grade 3 101
Grade 4 93
Grade 5 95
Grade 6 90

Grades Taught Data Table

Grades Taught and Student Counts for FRANCIS J O'NEILL SCHOOL
Grade Student Count
Kindergarten60
Grade 173
Grade 288
Grade 3101
Grade 493
Grade 595
Grade 690
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for FRANCIS J O'NEILL SCHOOL
Gender Student Count Percentage
Female28146.8%
Male31953.2%
Nearby Elementary Schools (Within 10 Miles)