| Index | Stony Brook | New York | National |
| Average Test Scores | 75% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | 3 | 1,092 | 24,874 |
| Total post-secondary schools | 1 | 483 | 7,963 |

| Index | Stony Brook | New York | National |
| Completed 8th grade | 96.5% | 83.5% | 84.3% |
| Completed high school | 96.4% | 82.1% | 83.0% |
| Completed some college | 86.5% | 59.5% | 59.4% |
| Completed associate degree | 74.6% | 43.4% | 38.5% |
| Completed bachelors | 64.8% | 34.7% | 30.3% |
| Completed masters | 37.8% | 15.1% | 11.5% |
| Completed professional degree | 16.2% | 4.2% | 3.3% |
| Completed doctorate | 8.5% | 1.5% | 1.3% |
There are a total of 2 public schools, 3 private schools and 1 post-secondary schools in Stony Brook. Using the proficiency score averages, the average test scores for Stony Brook, NY schools is 75%. The average student to teacher ratio is n/a. In Stony Brook, NY, an average of 96.5% of students have completed 8th grade and an average of 96.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Westport, CT | 28,385 | 84% | 75.7% |
| 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% |
| Stony Brook, NY | 12,162 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Richfield, WI | 12,159 | 58% | 20.5% |
| South Lyon, MI | 12,155 | 60% | 24.6% |
| Glen Rock, NJ | 12,170 | 81% | 67.9% |
| Wanaque, NJ | 12,174 | 62% | 28.5% |
| Robertsville, NJ | 12,178 | 68% | 40.6% |
| Stony Brook, NY | 12,162 | 75% | 55.2% |