| Index | Crystal City | Missouri | National |
| Average Test Scores | 47% | 44% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | 2 | 213 | 7,963 |
| Index | Crystal City | Missouri | National |
| Completed 8th grade | 84.3% | 86.0% | 84.3% |
| Completed high school | 81.5% | 84.2% | 83.0% |
| Completed some college | 50.9% | 57.7% | 59.4% |
| Completed associate degree | 28.3% | 35.2% | 38.5% |
| Completed bachelors | 16.0% | 27.6% | 30.3% |
| Completed masters | 4.8% | 10.4% | 11.5% |
| Completed professional degree | 1.3% | 2.8% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and 2 post-secondary schools in Crystal City. Using the proficiency score averages, the average test scores for Crystal City, MO schools is 47%. The average student to teacher ratio is 12:1. In Crystal City, MO, an average of 84.3% of students have completed 8th grade and an average of 81.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Festus, MO | 12,054 | 59% | 23.1% |
| Waterloo, IL | 10,417 | 59% | 22.4% |
| Bloomsdale, MO | 828 | 57% | 18.8% |
| Herculaneum, MO | 4,081 | 56% | 16.7% |
| Cedar Hill, MO | 1,625 | 53% | 10.4% |
| Crystal City, MO | 4,733 | 47% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Bigfork, MT | 4,733 | 53% | 10.6% |
| Hummelstown, PA | 4,732 | 63% | 31.3% |
| Harrington Park, NJ | 4,735 | 79% | 63.5% |
| Jackson, AL | 4,731 | 36% | 25.0% |
| Hebbronville, TX | 4,730 | 43% | 10.8% |
| Crystal City, MO | 4,733 | 47% | 3.1% |
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