| 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 |
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| 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 | 27,511 | 84% | 75.7% |
| Shoreham, NY | 375 | 82% | 69.8% |
| West Sayville, NY | 4,956 | 82% | 69.8% |
| Hauppauge, NY | 19,661 | 80% | 66.3% |
| Setauket-East Setauket, NY | 14,174 | 80% | 65.6% |
| Stony Brook, NY | 11,785 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Madison, IN | 11,783 | 49% | 1.0% |
| Richfield, WI | 11,782 | 58% | 20.5% |
| Okmulgee, OK | 11,768 | 22% | 55.2% |
| Arkansas City, KS | 11,767 | 23% | 52.1% |
| Robinson, TX | 11,806 | 55% | 14.3% |
| Stony Brook, NY | 11,785 | 75% | 55.2% |
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