| Index | St. Martinville | Louisiana | National |
| Average Test Scores | 74% | 66% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 8 | 1,334 | 79,221 |
| Total private schools | 1 | 395 | 24,874 |
| Total post-secondary schools | 1 | 175 | 7,963 |
| Index | St. Martinville | Louisiana | National |
| Completed 8th grade | 77.6% | 80.2% | 84.3% |
| Completed high school | 73.5% | 78.5% | 83.0% |
| Completed some college | 43.9% | 49.9% | 59.4% |
| Completed associate degree | 18.4% | 28.6% | 38.5% |
| Completed bachelors | 14.4% | 23.0% | 30.3% |
| Completed masters | 6.4% | 7.9% | 11.5% |
| Completed professional degree | 1.8% | 2.6% | 3.3% |
| Completed doctorate | 0.7% | 1.0% | 1.3% |
There are a total of 8 public schools, 1 private schools and 1 post-secondary schools in St. Martinville. Using the proficiency score averages, the average test scores for St. Martinville, LA schools is 74%. The average student to teacher ratio is 15:1. In St. Martinville, LA, an average of 77.6% of students have completed 8th grade and an average of 73.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Erath, LA | 2,286 | 90% | 87.5% |
| Delcambre, LA | 2,079 | 89% | 85.4% |
| Loreauville, LA | 778 | 86% | 79.2% |
| Youngsville, LA | 14,118 | 84% | 74.5% |
| New Iberia, LA | 28,965 | 75% | 56.8% |
| St. Martinville, LA | 5,844 | 74% | 53.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Patterson, LA | 5,844 | 73% | 52.4% |
| Branford Center, CT | 5,845 | 60% | 25.0% |
| White Rock, NM | 5,845 | 55% | 13.5% |
| Roseland, NJ | 5,841 | 76% | 58.3% |
| Truth or Consequences, NM | 5,839 | 29% | 39.6% |
| St. Martinville, LA | 5,844 | 74% | 53.3% |
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