| Index | Zachary | Louisiana | National |
| Average Test Scores | 86% | 66% | 48% |
| Student/Teacher ratio | 19:1 | 14:1 | 16:1 |
| Total public schools | 4 | 1,334 | 79,221 |
| Total private schools | 1 | 395 | 24,874 |
| Total post-secondary schools | n/a | 175 | 7,963 |
| Index | Zachary | Louisiana | National |
| Completed 8th grade | 90.4% | 80.2% | 84.3% |
| Completed high school | 90.1% | 78.5% | 83.0% |
| Completed some college | 67.8% | 49.9% | 59.4% |
| Completed associate degree | 40.9% | 28.6% | 38.5% |
| Completed bachelors | 34.3% | 23.0% | 30.3% |
| Completed masters | 12.7% | 7.9% | 11.5% |
| Completed professional degree | 4.8% | 2.6% | 3.3% |
| Completed doctorate | 1.8% | 1.0% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Zachary. Using the proficiency score averages, the average test scores for Zachary, LA schools is 86%. The average student to teacher ratio is 19:1. In Zachary, LA, an average of 90.4% of students have completed 8th grade and an average of 90.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Watson, LA | 1,225 | 84% | 75.0% |
| Central, LA | 29,235 | 83% | 73.4% |
| Denham Springs, LA | 9,908 | 80% | 67.0% |
| St. Francisville, LA | 1,891 | 80% | 66.7% |
| Slaughter, LA | 826 | 80% | 66.1% |
| Zachary, LA | 17,699 | 86% | 79.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Lake Butler, FL | 17,700 | 63% | 31.3% |
| Takoma Park, MD | 17,703 | 32% | 33.7% |
| Wisconsin Rapids, WI | 17,691 | 39% | 18.5% |
| Natchitoches, LA | 17,711 | 61% | 27.0% |
| Alton, TX | 17,683 | 49% | 1.4% |
| Zachary, LA | 17,699 | 86% | 79.2% |
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