| Index | Troy | Missouri | National |
| Average Test Scores | 45% | 44% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 5 | 1,899 | 79,221 |
| Total private schools | 2 | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Troy | Missouri | National |
| Completed 8th grade | 87.8% | 86.0% | 84.3% |
| Completed high school | 86.3% | 84.2% | 83.0% |
| Completed some college | 48.5% | 57.7% | 59.4% |
| Completed associate degree | 28.8% | 35.2% | 38.5% |
| Completed bachelors | 19.2% | 27.6% | 30.3% |
| Completed masters | 5.4% | 10.4% | 11.5% |
| Completed professional degree | 0.5% | 2.8% | 3.3% |
| Completed doctorate | 0.1% | 1.2% | 1.3% |
There are a total of 5 public schools, 2 private schools and n/a post-secondary schools in Troy. Using the proficiency score averages, the average test scores for Troy, MO schools is 45%. The average student to teacher ratio is 17:1. In Troy, MO, an average of 87.8% of students have completed 8th grade and an average of 86.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dardenne Prairie, MO | 13,385 | 73% | 51.0% |
| Lake St. Louis, MO | 16,357 | 71% | 48.4% |
| Hawk Point, MO | 522 | 62% | 29.2% |
| O'Fallon, MO | 88,132 | 61% | 27.1% |
| Wentzville, MO | 40,407 | 58% | 20.1% |
| Troy, MO | 12,457 | 45% | 6.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Cheney, WA | 12,455 | 53% | 10.7% |
| Fort Atkinson, WI | 12,455 | 45% | 6.1% |
| Palos Heights, IL | 12,460 | 51% | 6.0% |
| Mountain Home, AR | 12,463 | 50% | 4.4% |
| Artesia, NM | 12,463 | 37% | 23.2% |
| Troy, MO | 12,457 | 45% | 6.0% |
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