| Index | Oceano | California | National |
| Average Test Scores | 38% | 43% | 48% |
| Student/Teacher ratio | 19:1 | 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 | Oceano | California | National |
| Completed 8th grade | 67.1% | 81.1% | 84.3% |
| Completed high school | 65.0% | 79.8% | 83.0% |
| Completed some college | 42.9% | 61.5% | 59.4% |
| Completed associate degree | 22.4% | 39.8% | 38.5% |
| Completed bachelors | 14.4% | 32.0% | 30.3% |
| Completed masters | 5.1% | 11.9% | 11.5% |
| Completed professional degree | 0.8% | 3.9% | 3.3% |
| Completed doctorate | 0.3% | 1.6% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Oceano. Using the proficiency score averages, the average test scores for Oceano, CA schools is 38%. The average student to teacher ratio is 19:1. In Oceano, CA, an average of 67.1% of students have completed 8th grade and an average of 65.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Los Osos, CA | 16,776 | 61% | 27.4% |
| San Luis Obispo, CA | 49,128 | 56% | 17.3% |
| Pismo Beach, CA | 8,306 | 56% | 16.7% |
| Arroyo Grande, CA | 18,441 | 49% | 1.9% |
| Nipomo, CA | 18,602 | 46% | 4.2% |
| Oceano, CA | 7,820 | 38% | 20.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Perry, IA | 7,820 | 58% | 20.5% |
| Corning, CA | 7,816 | 37% | 23.8% |
| Decorah, IA | 7,825 | 81% | 68.5% |
| Hales Corners, WI | 7,814 | 58% | 21.4% |
| Yreka, CA | 7,814 | 34% | 28.3% |
| Oceano, CA | 7,820 | 38% | 20.8% |
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