| Index | Farmingville | New York | National |
| Average Test Scores | 63% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Farmingville | New York | National |
| Completed 8th grade | 87.7% | 83.5% | 84.3% |
| Completed high school | 87.4% | 82.1% | 83.0% |
| Completed some college | 55.1% | 59.5% | 59.4% |
| Completed associate degree | 36.1% | 43.4% | 38.5% |
| Completed bachelors | 24.9% | 34.7% | 30.3% |
| Completed masters | 9.2% | 15.1% | 11.5% |
| Completed professional degree | 2.5% | 4.2% | 3.3% |
| Completed doctorate | 0.8% | 1.5% | 1.3% |
There are a total of 2 public schools, 2 private schools and n/a post-secondary schools in Farmingville. Using the proficiency score averages, the average test scores for Farmingville, NY schools is 63%. The average student to teacher ratio is n/a. In Farmingville, NY, an average of 87.7% of students have completed 8th grade and an average of 87.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| West Sayville, NY | 4,875 | 82% | 69.4% |
| Shoreham, NY | 406 | 82% | 69.4% |
| Hauppauge, NY | 20,301 | 80% | 65.9% |
| Setauket-East Setauket, NY | 14,174 | 80% | 65.2% |
| Port Jefferson, NY | 7,795 | 77% | 60.4% |
| Farmingville, NY | 15,363 | 63% | 29.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Addison, TX | 15,363 | 43% | 11.7% |
| Aberdeen, MD | 15,361 | 31% | 36.4% |
| Boulder City, NV | 15,373 | 58% | 19.8% |
| Hudson, MA | 15,379 | 53% | 9.9% |
| Natchez, MS | 15,345 | 28% | 42.2% |
| Farmingville, NY | 15,363 | 63% | 29.9% |
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