| Index | Newcastle | Nebraska | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 780 | 79,221 |
| Total private schools | n/a | 182 | 24,874 |
| Total post-secondary schools | n/a | 56 | 7,963 |

| Index | Newcastle | Nebraska | National |
| Completed 8th grade | 89.0% | 88.4% | 84.3% |
| Completed high school | 87.7% | 87.2% | 83.0% |
| Completed some college | 48.2% | 63.7% | 59.4% |
| Completed associate degree | 26.3% | 40.1% | 38.5% |
| Completed bachelors | 15.4% | 30.0% | 30.3% |
| Completed masters | 5.3% | 9.9% | 11.5% |
| Completed professional degree | 1.8% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Newcastle. Using the proficiency score averages, the average test scores for Newcastle, NE schools is n/a. The average student to teacher ratio is n/a. In Newcastle, NE, an average of 89.0% of students have completed 8th grade and an average of 87.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ponca, NE | 978 | 73% | 52.6% |
| Elk Point, SD | 2,155 | 62% | 29.5% |
| Vermillion, SD | 11,210 | 59% | 23.3% |
| Wynot, NE | 260 | 52% | 7.6% |
| Newcastle, NE | 423 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Panama, NY | 423 | 70% | 44.8% |
| Presho, SD | 423 | 60% | 25.0% |
| Homer, NE | 423 | 51% | 5.7% |
| Bellwood, NE | 423 | 55% | 14.6% |
| Brethren, MI | 423 | 30% | 38.2% |
| Newcastle, NE | 423 | n/a |