| Index | Diablo Grande | 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 Grande | California | National |
| Completed 8th grade | 82.7% | 81.1% | 84.3% |
| Completed high school | 81.8% | 79.8% | 83.0% |
| Completed some college | 60.8% | 61.5% | 59.4% |
| Completed associate degree | 34.4% | 39.8% | 38.5% |
| Completed bachelors | 23.3% | 32.0% | 30.3% |
| Completed masters | 10.9% | 11.9% | 11.5% |
| Completed professional degree | 2.2% | 3.9% | 3.3% |
| Completed doctorate | 1.1% | 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 Grande. Using the proficiency score averages, the average test scores for Diablo Grande, CA schools is n/a. The average student to teacher ratio is n/a. In Diablo Grande, CA, an average of 82.7% of students have completed 8th grade and an average of 81.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crows Landing, CA | 346 | 60% | 24.0% |
| Westley, CA | 689 | 35% | 28.1% |
| Newman, CA | 11,498 | 34% | 28.6% |
| Patterson, CA | 22,309 | 31% | 35.7% |
| Diablo Grande, CA | 892 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Montandon, PA | 892 | 60% | 24.0% |
| Aurelia, IA | 892 | 65% | 35.4% |
| Mesquite, NM | 892 | 42% | 12.5% |
| Richfield, NC | 892 | 40% | 17.7% |
| Turtle Lake, WI | 891 | 39% | 19.1% |
| Diablo Grande, CA | 892 | n/a |
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