| Index | Hercules | California | National |
| Average Test Scores | 46% | 43% | 48% |
| Student/Teacher ratio | 23:1 | 20:1 | 16:1 |
| Total public schools | 5 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
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| Index | Hercules | California | National |
| Completed 8th grade | 92.0% | 81.1% | 84.3% |
| Completed high school | 91.0% | 79.8% | 83.0% |
| Completed some college | 78.6% | 61.5% | 59.4% |
| Completed associate degree | 54.1% | 39.8% | 38.5% |
| Completed bachelors | 43.3% | 32.0% | 30.3% |
| Completed masters | 12.3% | 11.9% | 11.5% |
| Completed professional degree | 5.3% | 3.9% | 3.3% |
| Completed doctorate | 2.4% | 1.6% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in Hercules. Using the proficiency score averages, the average test scores for Hercules, CA schools is 46%. The average student to teacher ratio is 23:1. In Hercules, CA, an average of 92.0% of students have completed 8th grade and an average of 91.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Orinda, CA | 19,891 | 87% | 81.4% |
| Moraga, CA | 17,346 | 84% | 75.2% |
| Lafayette, CA | 26,574 | 83% | 73.8% |
| Ross, CA | 2,548 | 83% | 71.9% |
| Tiburon, CA | 9,444 | 81% | 69.3% |
| Hercules, CA | 26,786 | 46% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Prosper, TX | 26,777 | 70% | 45.5% |
| Woodburn, OR | 26,769 | 30% | 37.5% |
| Laurel, MD | 26,740 | 36% | 26.0% |
| Chanhassen, MN | 26,836 | 61% | 27.9% |
| Lemoore, CA | 26,733 | 42% | 12.4% |
| Hercules, CA | 26,786 | 46% | 4.2% |
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