| Index | Castle Valley | 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 | Castle Valley | Utah | National |
| Completed 8th grade | 87.0% | 89.1% | 84.3% |
| Completed high school | 85.7% | 88.6% | 83.0% |
| Completed some college | 76.0% | 68.5% | 59.4% |
| Completed associate degree | 49.3% | 41.4% | 38.5% |
| Completed bachelors | 43.3% | 31.7% | 30.3% |
| Completed masters | 20.0% | 10.7% | 11.5% |
| Completed professional degree | 3.7% | 3.1% | 3.3% |
| Completed doctorate | 1.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Castle Valley. Using the proficiency score averages, the average test scores for Castle Valley, UT schools is n/a. The average student to teacher ratio is n/a. In Castle Valley, UT, an average of 87.0% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Moab, UT | 5,303 | 36% | 25.5% |
| Castle Valley, UT | 433 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Morral, OH | 433 | 51% | 5.7% |
| Pavillion, WY | 433 | 59% | 22.6% |
| Tabor, SD | 433 | 45% | 6.3% |
| Birdseye, IN | 433 | 65% | 34.4% |
| Kellogg, MN | 432 | 50% | 4.2% |
| Castle Valley, UT | 433 | n/a |
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