| Index | Lake Ronkonkoma | New York | National |
| Average Test Scores | 65% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | 1 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |


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| Index | Lake Ronkonkoma | New York | National |
| Completed 8th grade | 89.2% | 83.5% | 84.3% |
| Completed high school | 88.5% | 82.1% | 83.0% |
| Completed some college | 59.5% | 59.5% | 59.4% |
| Completed associate degree | 40.6% | 43.4% | 38.5% |
| Completed bachelors | 29.7% | 34.7% | 30.3% |
| Completed masters | 12.7% | 15.1% | 11.5% |
| Completed professional degree | 2.5% | 4.2% | 3.3% |
| Completed doctorate | 0.5% | 1.5% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Lake Ronkonkoma. Using the proficiency score averages, the average test scores for Lake Ronkonkoma, NY schools is 65%. The average student to teacher ratio is n/a. In Lake Ronkonkoma, NY, an average of 89.2% of students have completed 8th grade and an average of 88.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 390 | 82% | 69.8% |
| West Sayville, NY | 5,133 | 82% | 69.8% |
| Hauppauge, NY | 20,417 | 80% | 66.3% |
| Setauket-East Setauket, NY | 14,614 | 80% | 65.6% |
| Elwood, NY | 11,955 | 79% | 63.5% |
| Lake Ronkonkoma, NY | 19,057 | 65% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Central Point, OR | 19,057 | 43% | 9.6% |
| Brook Park, OH | 19,070 | 68% | 42.2% |
| Hopkins, MN | 19,072 | 54% | 11.7% |
| Niles, OH | 19,041 | 59% | 22.6% |
| Thomasville, GA | 19,040 | 36% | 26.0% |
| Lake Ronkonkoma, NY | 19,057 | 65% | 34.4% |