| Index | Granite Bay | California | National |
| Average Test Scores | 74% | 43% | 48% |
| Student/Teacher ratio | 22:1 | 20:1 | 16:1 |
| Total public schools | 6 | 8,308 | 79,221 |
| Total private schools | 1 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Granite Bay | California | National |
| Completed 8th grade | 97.8% | 81.1% | 84.3% |
| Completed high school | 97.4% | 79.8% | 83.0% |
| Completed some college | 85.7% | 61.5% | 59.4% |
| Completed associate degree | 65.4% | 39.8% | 38.5% |
| Completed bachelors | 54.9% | 32.0% | 30.3% |
| Completed masters | 21.9% | 11.9% | 11.5% |
| Completed professional degree | 8.3% | 3.9% | 3.3% |
| Completed doctorate | 2.8% | 1.6% | 1.3% |
There are a total of 6 public schools, 1 private schools and n/a post-secondary schools in Granite Bay. Using the proficiency score averages, the average test scores for Granite Bay, CA schools is 74%. The average student to teacher ratio is 22:1. In Granite Bay, CA, an average of 97.8% of students have completed 8th grade and an average of 97.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Folsom, CA | 82,389 | 70% | 45.6% |
| Loomis, CA | 7,035 | 69% | 44.3% |
| El Dorado Hills, CA | 48,625 | 68% | 42.0% |
| Shingle Springs, CA | 3,847 | 68% | 41.5% |
| Penryn, CA | 912 | 67% | 39.6% |
| Granite Bay, CA | 23,374 | 74% | 54.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Webster Groves, MO | 23,373 | 64% | 32.8% |
| Mandan, ND | 23,353 | 45% | 7.3% |
| Hastings, MN | 23,352 | 61% | 27.2% |
| Griffin, GA | 23,351 | 29% | 39.1% |
| Derry, NH | 23,398 | 52% | 8.3% |
| Granite Bay, CA | 23,374 | 74% | 54.0% |
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