| Index | Oakley | California | National |
| Average Test Scores | 36% | 43% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 7 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Oakley | California | National |
| Completed 8th grade | 82.9% | 81.1% | 84.3% |
| Completed high school | 81.9% | 79.8% | 83.0% |
| Completed some college | 57.1% | 61.5% | 59.4% |
| Completed associate degree | 27.2% | 39.8% | 38.5% |
| Completed bachelors | 16.9% | 32.0% | 30.3% |
| Completed masters | 4.3% | 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 7 public schools, n/a private schools and n/a post-secondary schools in Oakley. Using the proficiency score averages, the average test scores for Oakley, CA schools is 36%. The average student to teacher ratio is 21:1. In Oakley, CA, an average of 82.9% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Isleton, CA | 495 | 65% | 34.4% |
| Clayton, CA | 11,585 | 63% | 31.8% |
| Discovery Bay, CA | 15,904 | 54% | 11.5% |
| Brentwood, CA | 63,013 | 48% | 0.9% |
| Byron, CA | 2,057 | 47% | 2.1% |
| Oakley, CA | 41,656 | 36% | 24.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Westfield, IN | 41,652 | 70% | 46.5% |
| La Quinta, CA | 41,650 | 39% | 19.2% |
| Huntsville, TX | 41,664 | 36% | 24.7% |
| Mableton, GA | 41,647 | 30% | 38.0% |
| Puyallup, WA | 41,666 | 56% | 16.0% |
| Oakley, CA | 41,656 | 36% | 24.5% |
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