| Index | Rainbow | California | National |
| Average Test Scores | n/a | 10% | 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 n/a. 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. |
| Rainbow, CA | 1,780 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Cottonport, LA | 1,780 | 39% | 19.0% |
| Caldwell, OH | 1,781 | 40% | 17.4% |
| Cold Spring, NY | 1,781 | 81% | 67.8% |
| Bovina, TX | 1,778 | 31% | 34.9% |
| Hoschton, GA | 1,782 | 67% | 39.0% |
| Rainbow, CA | 1,780 | n/a |
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