| Index | Rio del Mar | California | National |
| Average Test Scores | n/a | 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 del Mar | California | National |
| Completed 8th grade | 97.0% | 81.1% | 84.3% |
| Completed high school | 97.0% | 79.8% | 83.0% |
| Completed some college | 86.7% | 61.5% | 59.4% |
| Completed associate degree | 65.7% | 39.8% | 38.5% |
| Completed bachelors | 53.5% | 32.0% | 30.3% |
| Completed masters | 23.4% | 11.9% | 11.5% |
| Completed professional degree | 10.0% | 3.9% | 3.3% |
| Completed doctorate | 5.0% | 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 del Mar. Using the proficiency score averages, the average test scores for Rio del Mar, CA schools is n/a. The average student to teacher ratio is n/a. In Rio del Mar, CA, an average of 97.0% of students have completed 8th grade and an average of 97.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Scotts Valley, CA | 12,055 | 67% | 39.2% |
| Felton, CA | 3,197 | 58% | 20.6% |
| Capitola, CA | 10,090 | 57% | 17.7% |
| Soquel, CA | 10,721 | 56% | 17.2% |
| Santa Cruz, CA | 65,011 | 52% | 7.9% |
| Rio del Mar, CA | 9,713 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Port Townsend, WA | 9,710 | 52% | 7.3% |
| North Bend, OR | 9,708 | 49% | 1.3% |
| East Rutherford, NJ | 9,707 | 49% | 2.8% |
| Safford, AZ | 9,707 | 46% | 3.3% |
| Decatur, IN | 9,700 | 40% | 17.4% |
| Rio del Mar, CA | 9,713 | n/a |
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