| Index | Lake Grove | New York | National |
| Average Test Scores | 50% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 3 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Lake Grove | New York | National |
| Completed 8th grade | 92.2% | 83.5% | 84.3% |
| Completed high school | 91.4% | 82.1% | 83.0% |
| Completed some college | 65.1% | 59.5% | 59.4% |
| Completed associate degree | 45.3% | 43.4% | 38.5% |
| Completed bachelors | 37.1% | 34.7% | 30.3% |
| Completed masters | 17.0% | 15.1% | 11.5% |
| Completed professional degree | 4.9% | 4.2% | 3.3% |
| Completed doctorate | 2.1% | 1.5% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in Lake Grove. Using the proficiency score averages, the average test scores for Lake Grove, NY schools is 50%. The average student to teacher ratio is n/a. In Lake Grove, NY, an average of 92.2% of students have completed 8th grade and an average of 91.4% 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% |
| Lake Grove, NY | 11,083 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Sonoma, CA | 11,082 | 34% | 28.9% |
| New Albany, OH | 11,085 | 87% | 81.3% |
| Big Lake, MN | 11,085 | 60% | 25.0% |
| Two Rivers, WI | 11,079 | 33% | 31.7% |
| Celebration, FL | 11,077 | 64% | 32.8% |
| Lake Grove, NY | 11,083 | 50% | 3.1% |
Here are the best places to live in New York
These are the 10 cheapest cities in New York
Most Dangerous Cities In The US
Check out the 10 safest cities in New York