| Index | Plattekill | New York | National |
| Average Test Scores | 55% | 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 | Plattekill | New York | National |
| Completed 8th grade | 78.8% | 83.5% | 84.3% |
| Completed high school | 76.9% | 82.1% | 83.0% |
| Completed some college | 59.2% | 59.5% | 59.4% |
| Completed associate degree | 37.9% | 43.4% | 38.5% |
| Completed bachelors | 28.2% | 34.7% | 30.3% |
| Completed masters | 9.3% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Plattekill. Using the proficiency score averages, the average test scores for Plattekill, NY schools is 55%. The average student to teacher ratio is n/a. In Plattekill, NY, an average of 78.8% of students have completed 8th grade and an average of 76.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cold Spring, NY | 1,951 | 81% | 68.2% |
| Firthcliffe, NY | 5,178 | 77% | 60.4% |
| Hopewell Junction, NY | 742 | 74% | 54.9% |
| Freedom Plains, NY | 716 | 64% | 33.3% |
| New Paltz, NY | 7,452 | 64% | 32.3% |
| Plattekill, NY | 1,450 | 55% | 13.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Brocton, NY | 1,450 | 33% | 30.7% |
| Phoenix, IL | 1,450 | 13% | 72.9% |
| Peridot, AZ | 1,450 | 11% | 76.4% |
| New Paris, OH | 1,449 | 66% | 37.5% |
| Bonner-West Riverside, MT | 1,451 | 35% | 28.1% |
| Plattekill, NY | 1,450 | 55% | 13.5% |