| Index | Rainbow | California | National |
| Average Test Scores | 45% | 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 | n/a | 1,085 | 7,963 |
| Index | Rainbow | California | National |
| Completed 8th grade | 82.1% | 81.1% | 84.3% |
| Completed high school | 81.2% | 79.8% | 83.0% |
| Completed some college | 61.1% | 61.5% | 59.4% |
| Completed associate degree | 35.4% | 39.8% | 38.5% |
| Completed bachelors | 23.2% | 32.0% | 30.3% |
| Completed masters | 7.7% | 11.9% | 11.5% |
| Completed professional degree | 1.7% | 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 n/a post-secondary schools in Rainbow. Using the proficiency score averages, the average test scores for Rainbow, CA schools is 45%. The average student to teacher ratio is n/a. In Rainbow, CA, an average of 82.1% of students have completed 8th grade and an average of 81.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Temecula, CA | 116,255 | 57% | 19.4% |
| Murrieta, CA | 117,330 | 57% | 19.0% |
| Bonsall, CA | 4,280 | 56% | 16.7% |
| Oceanside, CA | 181,351 | 43% | 9.5% |
| Fallbrook, CA | 33,110 | 43% | 10.4% |
| Rainbow, CA | 2,291 | 45% | 7.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Pulaski, NY | 2,291 | 55% | 13.9% |
| Moweaqua, IL | 2,291 | 27% | 43.2% |
| Kensington, MD | 2,290 | 47% | 1.5% |
| Ellis, KS | 2,290 | 40% | 17.7% |
| Cayucos, CA | 2,290 | 60% | 24.0% |
| Rainbow, CA | 2,291 | 45% | 7.3% |
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