| Index | Chantilly | Virginia | National |
| Average Test Scores | 89% | 79% | 48% |
| Student/Teacher ratio | 15:1 | 13:1 | 16:1 |
| Total public schools | 6 | 1,596 | 79,221 |
| Total private schools | 4 | 553 | 24,874 |
| Total post-secondary schools | 2 | 199 | 7,963 |


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| Index | Chantilly | Virginia | National |
| Completed 8th grade | 90.7% | 85.9% | 84.3% |
| Completed high school | 90.5% | 84.7% | 83.0% |
| Completed some college | 77.1% | 64.1% | 59.4% |
| Completed associate degree | 61.6% | 44.2% | 38.5% |
| Completed bachelors | 54.4% | 36.9% | 30.3% |
| Completed masters | 23.8% | 15.7% | 11.5% |
| Completed professional degree | 4.0% | 4.2% | 3.3% |
| Completed doctorate | 2.1% | 1.7% | 1.3% |
There are a total of 6 public schools, 4 private schools and 2 post-secondary schools in Chantilly. Using the proficiency score averages, the average test scores for Chantilly, VA schools is 89%. The average student to teacher ratio is 15:1. In Chantilly, VA, an average of 90.7% of students have completed 8th grade and an average of 90.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 49,909 | 95% | 97.1% |
| Great Falls, VA | 15,140 | 94% | 94.8% |
| Oakton, VA | 37,413 | 92% | 90.6% |
| Haymarket, VA | 1,540 | 90% | 88.2% |
| Burke, VA | 45,553 | 90% | 86.7% |
| Chantilly, VA | 24,744 | 89% | 85.7% |
| City | Population | Avg. Test Scores | National Avg. |
| San Fernando, CA | 24,761 | 35% | 27.9% |
| Faribault, MN | 24,714 | 36% | 25.4% |
| Fort Dodge, IA | 24,700 | 55% | 14.8% |
| Camas, WA | 24,814 | 72% | 49.6% |
| South Plainfield, NJ | 24,668 | 61% | 27.2% |
| Chantilly, VA | 24,744 | 89% | 85.7% |