| Index | Simi Valley | California | National |
| Average Test Scores | 40% | 38% | 49% |
| Student/Teacher ratio | 23:1 | 20:1 | 16:1 |
| Total public schools | 29 | 8,308 | 79,221 |
| Total private schools | 9 | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
| Index | Simi Valley | California | National |
| Completed 8th grade | 88.8% | 81.1% | 84.3% |
| Completed high school | 88.3% | 79.8% | 83.0% |
| Completed some college | 69.2% | 61.5% | 59.4% |
| Completed associate degree | 43.3% | 39.8% | 38.5% |
| Completed bachelors | 32.5% | 32.0% | 30.3% |
| Completed masters | 11.1% | 11.9% | 11.5% |
| Completed professional degree | 3.3% | 3.9% | 3.3% |
| Completed doctorate | 1.1% | 1.6% | 1.3% |
There are a total of 29 public schools, 9 private schools and 1 post-secondary schools in Simi Valley. Using the proficiency score averages, the average test scores for Simi Valley, CA schools is 40%. The average student to teacher ratio is 23:1. In Simi Valley, CA, an average of 88.8% of students have completed 8th grade and an average of 88.3% have completed high school.
| City, State | Population | Avg. Test Scores | National Avg. |
| Santa Rosa Valley, CA | 3,601 | 82% | 66% |
| Oak Park, CA | 14,885 | 76% | 53% |
| Stevenson Ranch, CA | 19,737 | 76% | 53% |
| Westlake Village, CA | 8,443 | 75% | 51% |
| Hidden Hills, CA | 1,573 | 69% | 40% |
| Simi Valley, CA | 126,126 | 40% | 20% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Lafayette, LA | 125,808 | 66% | 34% |
| Kent, WA | 125,492 | 46% | 6% |
| Concord, CA | 126,938 | 33% | 32% |
| Stamford, CT | 127,410 | 40% | 18% |
| Topeka, KS | 127,472 | 32% | 35% |
| Simi Valley, CA | 126,126 | 40% | 20% |
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