| Index | Penryn | California | National |
| Average Test Scores | 67% | 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 | Penryn | California | National |
| Completed 8th grade | 93.1% | 81.1% | 84.3% |
| Completed high school | 93.1% | 79.8% | 83.0% |
| Completed some college | 64.5% | 61.5% | 59.4% |
| Completed associate degree | 35.0% | 39.8% | 38.5% |
| Completed bachelors | 26.0% | 32.0% | 30.3% |
| Completed masters | 9.5% | 11.9% | 11.5% |
| Completed professional degree | 1.0% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Penryn. Using the proficiency score averages, the average test scores for Penryn, CA schools is 67%. The average student to teacher ratio is n/a. In Penryn, CA, an average of 93.1% of students have completed 8th grade and an average of 93.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Granite Bay, CA | 22,818 | 74% | 54.0% |
| Folsom, CA | 79,584 | 70% | 45.6% |
| Loomis, CA | 6,802 | 69% | 44.3% |
| El Dorado Hills, CA | 47,107 | 68% | 42.0% |
| Shingle Springs, CA | 3,710 | 68% | 41.5% |
| Penryn, CA | 878 | 67% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Edon, OH | 878 | 77% | 60.4% |
| Trezevant, TN | 878 | 31% | 36.5% |
| Richland, MI | 877 | 54% | 13.3% |
| Dayton, WY | 879 | 55% | 13.5% |
| Middleton, TN | 877 | 23% | 51.6% |
| Penryn, CA | 878 | 67% | 39.6% |
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