| Index | Nesconset | New York | National |
| Average Test Scores | 67% | 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 |
| Index | Nesconset | New York | National |
| Completed 8th grade | 93.8% | 83.5% | 84.3% |
| Completed high school | 93.4% | 82.1% | 83.0% |
| Completed some college | 72.0% | 59.5% | 59.4% |
| Completed associate degree | 53.2% | 43.4% | 38.5% |
| Completed bachelors | 44.0% | 34.7% | 30.3% |
| Completed masters | 20.8% | 15.1% | 11.5% |
| Completed professional degree | 5.4% | 4.2% | 3.3% |
| Completed doctorate | 2.1% | 1.5% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Nesconset. Using the proficiency score averages, the average test scores for Nesconset, NY schools is 67%. The average student to teacher ratio is n/a. In Nesconset, NY, an average of 93.8% of students have completed 8th grade and an average of 93.4% 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% |
| Nesconset, NY | 13,440 | 67% | 40.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Whitehall, PA | 13,437 | 58% | 19.8% |
| Beach Park, IL | 13,433 | 16% | 66.9% |
| Lyndhurst, OH | 13,431 | 60% | 25.0% |
| Carpinteria, CA | 13,449 | 52% | 7.8% |
| Lake Forest Park, WA | 13,455 | 76% | 57.3% |
| Nesconset, NY | 13,440 | 67% | 40.1% |
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