| Index | Ronkonkoma | New York | National |
| Average Test Scores | 52% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Ronkonkoma | New York | National |
| Completed 8th grade | 90.4% | 83.5% | 84.3% |
| Completed high school | 90.4% | 82.1% | 83.0% |
| Completed some college | 61.9% | 59.5% | 59.4% |
| Completed associate degree | 39.4% | 43.4% | 38.5% |
| Completed bachelors | 30.2% | 34.7% | 30.3% |
| Completed masters | 12.5% | 15.1% | 11.5% |
| Completed professional degree | 2.5% | 4.2% | 3.3% |
| Completed doctorate | 0.9% | 1.5% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Ronkonkoma. Using the proficiency score averages, the average test scores for Ronkonkoma, NY schools is 52%. The average student to teacher ratio is n/a. In Ronkonkoma, NY, an average of 90.4% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| West Sayville, NY | 4,956 | 82% | 69.8% |
| Shoreham, NY | 375 | 82% | 69.8% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
| Setauket-East Setauket, NY | 14,174 | 80% | 65.6% |
| Elwood, NY | 11,582 | 79% | 63.5% |
| Ronkonkoma, NY | 18,953 | 52% | 8.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Wallingford Center, CT | 18,948 | 49% | 2.4% |
| Whitehall, OH | 18,944 | 40% | 16.9% |
| World Golf Village, FL | 18,937 | 78% | 62.0% |
| Lexington, NC | 18,970 | 43% | 10.9% |
| Westbrook, ME | 18,935 | 38% | 21.7% |
| Ronkonkoma, NY | 18,953 | 52% | 8.9% |
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