| Index | Fishkill | New York | National |
| Average Test Scores | 59% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 4,060 | 79,221 |
| Total private schools | 2 | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Fishkill | New York | National |
| Completed 8th grade | 90.7% | 83.5% | 84.3% |
| Completed high school | 90.4% | 82.1% | 83.0% |
| Completed some college | 69.5% | 59.5% | 59.4% |
| Completed associate degree | 55.3% | 43.4% | 38.5% |
| Completed bachelors | 48.0% | 34.7% | 30.3% |
| Completed masters | 20.7% | 15.1% | 11.5% |
| Completed professional degree | 6.6% | 4.2% | 3.3% |
| Completed doctorate | 3.6% | 1.5% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Fishkill. Using the proficiency score averages, the average test scores for Fishkill, NY schools is 59%. The average student to teacher ratio is n/a. In Fishkill, NY, an average of 90.7% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincolndale, NY | 1,407 | 99% | 105.2% |
| Carmel Hamlet, NY | 6,278 | 99% | 105.2% |
| Shrub Oak, NY | 3,094 | 97% | 102.1% |
| Fort Montgomery, NY | 1,867 | 94% | 94.8% |
| Cold Spring, NY | 1,911 | 81% | 68.2% |
| Fishkill, NY | 1,967 | 59% | 22.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Laton, CA | 1,967 | 25% | 48.6% |
| Stewart Manor, NY | 1,966 | 70% | 44.8% |
| Garyville, LA | 1,966 | 51% | 5.2% |
| Cosmopolis, WA | 1,968 | 54% | 11.5% |
| Grayling, MI | 1,969 | 49% | 1.3% |
| Fishkill, NY | 1,967 | 59% | 22.6% |
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