| Index | New Cassel | 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 | New Cassel | New York | National |
| Completed 8th grade | 72.1% | 83.5% | 84.3% |
| Completed high school | 69.4% | 82.1% | 83.0% |
| Completed some college | 43.4% | 59.5% | 59.4% |
| Completed associate degree | 27.0% | 43.4% | 38.5% |
| Completed bachelors | 21.4% | 34.7% | 30.3% |
| Completed masters | 8.7% | 15.1% | 11.5% |
| Completed professional degree | 1.9% | 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 New Cassel. Using the proficiency score averages, the average test scores for New Cassel, NY schools is n/a. The average student to teacher ratio is n/a. In New Cassel, NY, an average of 72.1% of students have completed 8th grade and an average of 69.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,212 | 92% | 91.7% |
| Cedarhurst, NY | 6,786 | 91% | 89.6% |
| Old Westbury, NY | 4,784 | 91% | 88.5% |
| Jericho, NY | 14,448 | 90% | 87.1% |
| Old Bethpage, NY | 5,640 | 90% | 86.5% |
| New Cassel, NY | 15,487 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hugo, MN | 15,501 | 70% | 45.8% |
| Hayden, ID | 15,469 | 37% | 22.9% |
| West Haven, UT | 15,511 | 43% | 11.0% |
| Eden, NC | 15,455 | 34% | 28.5% |
| Seaford, NY | 15,522 | 73% | 51.3% |
| New Cassel, NY | 15,487 | n/a |
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