| School Name | Grades | Address | Zip | Phone | County | Type | District Name |
| Castleton Academy High School of Oceanside | 9-12 | 25 Castleton Ct
Oceanside, NY | 11572 | (516) 678-7593 | Nassau | public | Oceanside Union Free School District |
| School 2 | 1-6 | 2745 Terrell Ave
Oceanside, NY | 11572 | (516) 678-7557 | Nassau | public | Oceanside Union Free School District |
| School 3 | 1-6 | 2852 Fortesque Ave
Oceanside, NY | 11572 | (516) 678-7564 | Nassau | public | Oceanside Union Free School District |
| School 4 | 1-6 | 3210 Oceanside Rd
Oceanside, NY | 11572 | (516) 678-7581 | Nassau | public | Oceanside Union Free School District |
| School 5 | 1-6 | 2440 N Oceanside Rd
Oceanside, NY | 11572 | (516) 678-7585 | Nassau | public | Oceanside Union Free School District |
| School 6-Kindergarten Center | n/a | 25 Castleton Ct
Oceanside, NY | 11572 | (516) 594-2345 | Nassau | public | Oceanside Union Free School District |
| School 7-Oceanside Senior High School | 9-12 | 3160 Skillman Ave
Oceanside, NY | 11572 | (516) 678-7526 | Nassau | public | Oceanside Union Free School District |
| School 8 | 1-6 | 3252 Fulton Ave
Oceanside, NY | 11572 | (516) 678-8503 | Nassau | public | Oceanside Union Free School District |
| School 9e-Boardman Elementary School | 1-6 | 170 Beatrice Ave
Oceanside, NY | 11572 | (516) 678-8510 | Nassau | public | Oceanside Union Free School District |
| School 9m-Oceanside Middle School | 7-8 | 186 Alice Ave
Oceanside, NY | 11572 | (516) 678-8518 | Nassau | public | Oceanside Union Free School District |
