| Index | Rio Oso | 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 | Rio Oso | California | National |
| Completed 8th grade | 85.1% | 81.1% | 84.3% |
| Completed high school | 82.8% | 79.8% | 83.0% |
| Completed some college | 59.1% | 61.5% | 59.4% |
| Completed associate degree | 33.1% | 39.8% | 38.5% |
| Completed bachelors | 26.0% | 32.0% | 30.3% |
| Completed masters | 7.1% | 11.9% | 11.5% |
| Completed professional degree | 2.0% | 3.9% | 3.3% |
| Completed doctorate | 0.7% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Rio Oso. Using the proficiency score averages, the average test scores for Rio Oso, CA schools is 45%. The average student to teacher ratio is n/a. In Rio Oso, CA, an average of 85.1% of students have completed 8th grade and an average of 82.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Robbins, CA | 428 | 57% | 18.8% |
| Roseville, CA | 138,860 | 56% | 17.1% |
| Plumas Lake, CA | 7,687 | 56% | 16.7% |
| Beale AFB, CA | 955 | 51% | 6.3% |
| Lincoln, CA | 48,150 | 51% | 5.6% |
| Rio Oso, CA | 414 | 45% | 7.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Fairfield, NE | 414 | 57% | 19.3% |
| Chokio, MN | 414 | 55% | 14.6% |
| Mayetta, KS | 414 | 37% | 22.9% |
| Kasigluk, AK | 414 | 10% | 79.2% |
| Ewing, NE | 414 | 55% | 14.6% |
| Rio Oso, CA | 414 | 45% | 7.3% |
Here are the best places to live in California
Check out the 10 safest cities in California
Most Dangerous States In The US
Check out the 10 most dangerous cities in California