| Index | Clarksburg | California | National |
| Average Test Scores | 44% | 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 | Clarksburg | California | National |
| Completed 8th grade | 97.9% | 81.1% | 84.3% |
| Completed high school | 97.9% | 79.8% | 83.0% |
| Completed some college | 77.2% | 61.5% | 59.4% |
| Completed associate degree | 37.4% | 39.8% | 38.5% |
| Completed bachelors | 20.7% | 32.0% | 30.3% |
| Completed masters | 2.7% | 11.9% | 11.5% |
| Completed professional degree | 2.7% | 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 Clarksburg. Using the proficiency score averages, the average test scores for Clarksburg, CA schools is 44%. The average student to teacher ratio is n/a. In Clarksburg, CA, an average of 97.9% of students have completed 8th grade and an average of 97.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Davis, CA | 71,215 | 64% | 34.0% |
| Wilton, CA | 5,360 | 63% | 31.3% |
| Walnut Grove, CA | 1,321 | 55% | 13.5% |
| Elk Grove, CA | 178,848 | 53% | 11.1% |
| Courtland, CA | 486 | 45% | 7.3% |
| Clarksburg, CA | 377 | 44% | 9.0% |
| City | Population | Avg. Test Scores | National Avg. |
| La Valle, WI | 377 | 50% | 4.2% |
| Tetonia, ID | 377 | 50% | 4.2% |
| Ramer, TN | 377 | 40% | 16.7% |
| Sugar Grove, OH | 377 | 68% | 40.6% |
| Bentonia, MS | 377 | 43% | 10.4% |
| Clarksburg, CA | 377 | 44% | 9.0% |