| Index | Zachary | Louisiana | National |
| Average Test Scores | 85% | 64% | 49% |
| 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 85%. 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, State | Population | Avg. Test Scores | National Avg. |
| St. Francisville, LA | 2,064 | 80% | 63% |
| Denham Springs, LA | 10,278 | 79% | 61% |
| Slaughter, LA | 1,322 | 79% | 61% |
| Central, LA | 28,017 | 78% | 58% |
| Watson, LA | 925 | 78% | 58% |
| Zachary, LA | 16,154 | 85% | 72% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Lebanon, OR | 16,162 | 42% | 16% |
| Eggertsville, NY | 16,145 | 45% | 9% |
| Portland, TX | 16,144 | 79% | 61% |
| Gainesville, TX | 16,169 | 57% | 15% |
| Calhoun, GA | 16,139 | 38% | 24% |
| Zachary, LA | 16,154 | 85% | 72% |
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