| Index | Janesville | California | National |
| Average Test Scores | 34% | 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 | Janesville | California | National |
| Completed 8th grade | 91.3% | 81.1% | 84.3% |
| Completed high school | 90.5% | 79.8% | 83.0% |
| Completed some college | 77.8% | 61.5% | 59.4% |
| Completed associate degree | 35.4% | 39.8% | 38.5% |
| Completed bachelors | 22.1% | 32.0% | 30.3% |
| Completed masters | 11.8% | 11.9% | 11.5% |
| Completed professional degree | 4.8% | 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 Janesville. Using the proficiency score averages, the average test scores for Janesville, CA schools is 34%. The average student to teacher ratio is n/a. In Janesville, CA, an average of 91.3% of students have completed 8th grade and an average of 90.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Susanville, CA | 14,922 | 40% | 17.5% |
| Litchfield, CA | 183 | 35% | 28.1% |
| Janesville, CA | 2,803 | 34% | 30.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Almont, MI | 2,802 | 59% | 22.6% |
| Magnolia, TX | 2,802 | 46% | 4.9% |
| Moose Lake, MN | 2,804 | 56% | 15.6% |
| Osage City, KS | 2,804 | 35% | 26.4% |
| Green Forest, AR | 2,805 | 44% | 9.4% |
| Janesville, CA | 2,803 | 34% | 30.2% |
Here are the best places to live in California
Check out the 10 safest cities in California
Most Dangerous States In The US
These are the 10 cheapest cities in California