| Index | Diablo | 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 | Diablo | California | National |
| Completed 8th grade | 100.0% | 81.1% | 84.3% |
| Completed high school | 100.0% | 79.8% | 83.0% |
| Completed some college | 82.8% | 61.5% | 59.4% |
| Completed associate degree | 68.0% | 39.8% | 38.5% |
| Completed bachelors | 68.0% | 32.0% | 30.3% |
| Completed masters | 36.0% | 11.9% | 11.5% |
| Completed professional degree | 14.8% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Diablo. Using the proficiency score averages, the average test scores for Diablo, CA schools is n/a. The average student to teacher ratio is n/a. In Diablo, CA, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Orinda, CA | 19,461 | 87% | 81.4% |
| Moraga, CA | 16,896 | 84% | 75.2% |
| Lafayette, CA | 25,949 | 83% | 73.8% |
| San Ramon, CA | 81,344 | 78% | 62.9% |
| Piedmont, CA | 11,454 | 78% | 62.5% |
| Diablo, CA | 834 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Fordland, MO | 834 | 48% | = 100 |
| Sand Rock, AL | 834 | 42% | 13.5% |
| Wild Rose, WI | 834 | 47% | 2.1% |
| Keota, IA | 834 | 66% | 37.0% |
| Ryan, OK | 834 | 26% | 45.8% |
| Diablo, CA | 834 | n/a |
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