| Index | New Castle | Kentucky | National |
| Average Test Scores | 41% | 48% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,157 | 79,221 |
| Total private schools | n/a | 298 | 24,874 |
| Total post-secondary schools | n/a | 130 | 7,963 |
| Index | New Castle | Kentucky | National |
| Completed 8th grade | 82.3% | 81.0% | 84.3% |
| Completed high school | 74.6% | 77.8% | 83.0% |
| Completed some college | 37.4% | 51.3% | 59.4% |
| Completed associate degree | 18.8% | 30.5% | 38.5% |
| Completed bachelors | 12.8% | 22.7% | 30.3% |
| Completed masters | 6.6% | 9.3% | 11.5% |
| Completed professional degree | 2.4% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in New Castle. Using the proficiency score averages, the average test scores for New Castle, KY schools is 41%. The average student to teacher ratio is n/a. In New Castle, KY, an average of 82.3% of students have completed 8th grade and an average of 74.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Simpsonville, KY | 2,973 | 54% | 12.5% |
| Campbellsburg, KY | 1,046 | 50% | 3.1% |
| Pleasureville, KY | 1,456 | 47% | 2.1% |
| La Grange, KY | 9,181 | 45% | 6.3% |
| Eminence, KY | 2,640 | 43% | 9.9% |
| New Castle, KY | 1,072 | 41% | 15.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Scobey, MT | 1,072 | 51% | 5.6% |
| Atkins, VA | 1,072 | 80% | 65.6% |
| Ouray, CO | 1,072 | 57% | 18.1% |
| Viola, IL | 1,071 | 32% | 33.3% |
| Brantley, AL | 1,071 | 36% | 25.0% |
| New Castle, KY | 1,072 | 41% | 15.3% |
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