| Index | Joshua Tree | California | National |
| Average Test Scores | 31% | 43% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
| Index | Joshua Tree | California | National |
| Completed 8th grade | 83.9% | 81.1% | 84.3% |
| Completed high school | 82.9% | 79.8% | 83.0% |
| Completed some college | 55.4% | 61.5% | 59.4% |
| Completed associate degree | 27.7% | 39.8% | 38.5% |
| Completed bachelors | 22.1% | 32.0% | 30.3% |
| Completed masters | 7.3% | 11.9% | 11.5% |
| Completed professional degree | 2.7% | 3.9% | 3.3% |
| Completed doctorate | 0.9% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and 1 post-secondary schools in Joshua Tree. Using the proficiency score averages, the average test scores for Joshua Tree, CA schools is 31%. The average student to teacher ratio is n/a. In Joshua Tree, CA, an average of 83.9% of students have completed 8th grade and an average of 82.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Twentynine Palms, CA | 26,748 | 37% | 23.8% |
| Homestead Valley, CA | 2,619 | 35% | 28.1% |
| Yucca Valley, CA | 21,701 | 29% | 38.7% |
| Desert Hot Springs, CA | 29,280 | 26% | 44.9% |
| Joshua Tree, CA | 7,786 | 31% | 35.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Navasota, TX | 7,786 | 36% | 25.7% |
| Austell, GA | 7,783 | 37% | 22.9% |
| Bloomfield, NM | 7,791 | 16% | 67.0% |
| Manhasset, NY | 7,792 | 86% | 78.4% |
| Butner, NC | 7,779 | 27% | 44.8% |
| Joshua Tree, CA | 7,786 | 31% | 35.4% |
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