| 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 |
| 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 | 19,461 | 87% | 81.4% |
| Moraga, CA | 16,896 | 84% | 75.2% |
| Lafayette, CA | 25,949 | 83% | 73.8% |
| Ross, CA | 2,453 | 83% | 71.9% |
| Tiburon, CA | 9,167 | 81% | 69.3% |
| Hercules, CA | 26,090 | 46% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Neenah, WI | 26,083 | 53% | 9.8% |
| Milford, MA | 26,072 | 48% | 0.7% |
| Wethersfield, CT | 26,068 | 60% | 25.5% |
| Bessemer, AL | 26,063 | 31% | 34.8% |
| West Whittier-Los Nietos, CA | 26,121 | 43% | 10.4% |
| Hercules, CA | 26,090 | 46% | 4.2% |
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