| Index | Clearlake Oaks | California | National |
| Average Test Scores | 9% | 43% | 48% |
| Student/Teacher ratio | 17:1 | 20:1 | 16:1 |
| Total public schools | 1 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Clearlake Oaks | California | National |
| Completed 8th grade | 82.1% | 81.1% | 84.3% |
| Completed high school | 77.4% | 79.8% | 83.0% |
| Completed some college | 52.7% | 61.5% | 59.4% |
| Completed associate degree | 22.0% | 39.8% | 38.5% |
| Completed bachelors | 13.9% | 32.0% | 30.3% |
| Completed masters | 0.7% | 11.9% | 11.5% |
| Completed professional degree | 0.7% | 3.9% | 3.3% |
| Completed doctorate | 0.7% | 1.6% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Clearlake Oaks. Using the proficiency score averages, the average test scores for Clearlake Oaks, CA schools is 9%. The average student to teacher ratio is 17:1. In Clearlake Oaks, CA, an average of 82.1% of students have completed 8th grade and an average of 77.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cobb, CA | 805 | 52% | 8.3% |
| Lakeport, CA | 4,947 | 37% | 22.0% |
| Clearlake, CA | 15,329 | 33% | 31.5% |
| Kelseyville, CA | 3,657 | 30% | 38.5% |
| Upper Lake, CA | 1,250 | 26% | 46.2% |
| Clearlake Oaks, CA | 2,194 | 9% | 82.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Havana, FL | 2,193 | 42% | 12.5% |
| West Terre Haute, IN | 2,193 | 44% | 8.5% |
| Manchester, KY | 2,195 | 54% | 12.2% |
| New Wilmington, PA | 2,196 | 57% | 18.4% |
| Mabton, WA | 2,192 | 19% | 60.9% |
| Clearlake Oaks, CA | 2,194 | 9% | 82.3% |
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