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

| Index | Putnam Lake | New York | National |
| Completed 8th grade | 84.2% | 83.5% | 84.3% |
| Completed high school | 84.0% | 82.1% | 83.0% |
| Completed some college | 59.9% | 59.5% | 59.4% |
| Completed associate degree | 40.0% | 43.4% | 38.5% |
| Completed bachelors | 30.9% | 34.7% | 30.3% |
| Completed masters | 11.2% | 15.1% | 11.5% |
| Completed professional degree | 2.8% | 4.2% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Putnam Lake. Using the proficiency score averages, the average test scores for Putnam Lake, NY schools is n/a. The average student to teacher ratio is n/a. In Putnam Lake, NY, an average of 84.2% of students have completed 8th grade and an average of 84.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Carmel Hamlet, NY | 6,470 | 99% | 105.2% |
| Lincolndale, NY | 1,436 | 99% | 105.2% |
| Shrub Oak, NY | 3,164 | 97% | 102.1% |
| Ridgefield, CT | 7,492 | 83% | 73.5% |
| Hopewell Junction, NY | 742 | 74% | 54.9% |
| Putnam Lake, NY | 4,029 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Waverly, NE | 4,029 | 59% | 22.2% |
| Belleville, MI | 4,027 | 36% | 24.9% |
| Baden, PA | 4,027 | 55% | 15.1% |
| Charleroi, PA | 4,025 | 54% | 12.5% |
| Jasper, GA | 4,023 | 45% | 7.1% |
| Putnam Lake, NY | 4,029 | n/a |