| 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 |
| 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 | 48,566 | 95% | 97.1% |
| Great Falls, VA | 14,793 | 94% | 94.8% |
| Oakton, VA | 36,468 | 92% | 90.6% |
| Haymarket, VA | 1,485 | 90% | 88.2% |
| Burke, VA | 44,077 | 90% | 86.7% |
| Chantilly, VA | 23,820 | 89% | 85.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Saginaw, TX | 23,835 | 45% | 6.0% |
| Calabasas, CA | 23,842 | 65% | 35.1% |
| Wadsworth, OH | 23,789 | 84% | 74.3% |
| Faribault, MN | 23,853 | 36% | 25.4% |
| Columbus, MS | 23,853 | 32% | 32.6% |
| Chantilly, VA | 23,820 | 89% | 85.7% |
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