| Index | Simi Valley | California | National |
| Average Test Scores | 38% | 43% | 48% |
| 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 |


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| 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 38%. 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 | Population | Avg. Test Scores | National Avg. |
| Stevenson Ranch, CA | 19,485 | 81% | 67.7% |
| Oak Park, CA | 14,446 | 69% | 43.9% |
| Topanga, CA | 8,406 | 67% | 39.6% |
| Agoura Hills, CA | 21,069 | 65% | 36.1% |
| Calabasas, CA | 24,363 | 65% | 35.1% |
| Simi Valley, CA | 130,307 | 38% | 21.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Pearland, TX | 130,314 | 65% | 36.4% |
| Santa Clara, CA | 130,127 | 54% | 12.3% |
| Topeka, KS | 129,727 | 32% | 32.4% |
| Thousand Oaks, CA | 131,108 | 56% | 15.9% |
| Lafayette, LA | 131,168 | 65% | 35.0% |
| Simi Valley, CA | 130,307 | 38% | 21.4% |