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

| Index | Riverside | New York | National |
| Completed 8th grade | 71.1% | 83.5% | 84.3% |
| Completed high school | 70.0% | 82.1% | 83.0% |
| Completed some college | 27.9% | 59.5% | 59.4% |
| Completed associate degree | 10.0% | 43.4% | 38.5% |
| Completed bachelors | 5.4% | 34.7% | 30.3% |
| Completed masters | 0.4% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Riverside. Using the proficiency score averages, the average test scores for Riverside, NY schools is n/a. The average student to teacher ratio is n/a. In Riverside, NY, an average of 71.1% of students have completed 8th grade and an average of 70.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 390 | 82% | 69.8% |
| Quogue, NY | 623 | 80% | 66.7% |
| Mattituck, NY | 5,017 | 77% | 60.4% |
| Westhampton Beach, NY | 1,911 | 73% | 51.7% |
| Brookhaven, NY | 3,306 | 66% | 37.0% |
| Riverside, NY | 2,714 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wareham Center, MA | 2,714 | 39% | 18.1% |
| Claxton, GA | 2,715 | 28% | 41.9% |
| Hamburg, AR | 2,715 | 38% | 21.2% |
| Brooklyn, IN | 2,715 | 52% | 8.3% |
| Sabina, OH | 2,716 | 64% | 33.3% |
| Riverside, NY | 2,714 | n/a |