| Index | Newcastle | Utah | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 21:1 | 16:1 |
| Total public schools | n/a | 802 | 79,221 |
| Total private schools | n/a | 112 | 24,874 |
| Total post-secondary schools | n/a | 79 | 7,963 |
| Index | Newcastle | Utah | National |
| Completed 8th grade | 96.3% | 89.1% | 84.3% |
| Completed high school | 96.3% | 88.6% | 83.0% |
| Completed some college | 96.3% | 68.5% | 59.4% |
| Completed associate degree | 48.0% | 41.4% | 38.5% |
| Completed bachelors | 40.7% | 31.7% | 30.3% |
| Completed masters | 0.0% | 10.7% | 11.5% |
| Completed professional degree | 0.0% | 3.1% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 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, UT schools is n/a. The average student to teacher ratio is n/a. In Newcastle, UT, an average of 96.3% of students have completed 8th grade and an average of 96.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Enterprise, UT | 1,602 | 45% | 6.3% |
| Beryl Junction, UT | 106 | 40% | 17.7% |
| Newcastle, UT | 326 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| London Mills, IL | 326 | 38% | 20.5% |
| New Hampton, NH | 326 | 75% | 56.3% |
| Arimo, ID | 326 | 51% | 6.3% |
| Nashua, MT | 326 | 45% | 6.3% |
| Stewart, OH | 326 | 57% | 17.7% |
| Newcastle, UT | 326 | n/a |
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