| Index | Oceanside | New York | National |
| Average Test Scores | 64% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 9 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | 1 | 483 | 7,963 |

| Index | Oceanside | New York | National |
| Completed 8th grade | 92.8% | 83.5% | 84.3% |
| Completed high school | 92.4% | 82.1% | 83.0% |
| Completed some college | 67.5% | 59.5% | 59.4% |
| Completed associate degree | 50.0% | 43.4% | 38.5% |
| Completed bachelors | 42.7% | 34.7% | 30.3% |
| Completed masters | 18.7% | 15.1% | 11.5% |
| Completed professional degree | 4.3% | 4.2% | 3.3% |
| Completed doctorate | 1.5% | 1.5% | 1.3% |
There are a total of 9 public schools, n/a private schools and 1 post-secondary schools in Oceanside. Using the proficiency score averages, the average test scores for Oceanside, NY schools is 64%. The average student to teacher ratio is n/a. In Oceanside, NY, an average of 92.8% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,212 | 92% | 91.7% |
| Cedarhurst, NY | 6,786 | 91% | 89.6% |
| Old Westbury, NY | 4,784 | 91% | 88.5% |
| Jericho, NY | 14,448 | 90% | 87.1% |
| Old Bethpage, NY | 5,640 | 90% | 86.5% |
| Oceanside, NY | 30,680 | 64% | 32.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Duluth, GA | 30,718 | 61% | 27.5% |
| Rahway, NJ | 30,734 | 35% | 27.1% |
| Morristown, TN | 30,738 | 36% | 24.7% |
| Greenville, MS | 30,605 | 27% | 44.4% |
| Texarkana, AR | 30,581 | 40% | 15.9% |
| Oceanside, NY | 30,680 | 64% | 32.6% |