| Index | Cobblestone | Jacksonville | Florida |
| Average Test Scores | n/a | 50% | 55% |
| Student/Teacher ratio | n/a | 18:1 | 17:1 |
| Total public schools | n/a | 175 | 3,388 |
| Total private schools | n/a | 105 | 1,640 |
| Total post-secondary schools | n/a | 31 | 466 |
| Index | Cobblestone | Jacksonville | Florida |
| Completed 8th grade | 92.2% | 84.8% | 84.0% |
| Completed high school | 92.2% | 84.0% | 83.0% |
| Completed some college | 71.9% | 60.0% | 58.0% |
| Completed associate degree | 50.3% | 36.8% | 37.4% |
| Completed bachelors | 39.6% | 27.0% | 27.9% |
| Completed masters | 15.5% | 8.4% | 10.0% |
| Completed professional degree | 4.0% | 2.3% | 3.1% |
| Completed doctorate | 0.8% | 0.7% | 1.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Palm Valley, FL | 20,540 | 88% | 83.3% |
| Jacksonville Beach, FL | 23,562 | 82% | 70.8% |
| Neptune Beach, FL | 7,214 | 70% | 46.4% |
| Atlantic Beach, FL | 13,831 | 68% | 42.0% |
| Orange Park, FL | 8,764 | 64% | 34.1% |
| Jacksonville, FL | 902,488 | 50% | 3.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Fort Worth, TX | 892,221 | 39% | 18.1% |
| Columbus, OH | 889,079 | 40% | 16.1% |
| San Francisco, CA | 874,784 | 47% | 2.6% |
| Charlotte, NC | 873,570 | 41% | 15.1% |
| Indianapolis, IN | 869,387 | 33% | 32.2% |
| Jacksonville, FL | 902,488 | 50% | 3.4% |
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