| Index | Slidell | Louisiana | National |
| Average Test Scores | 75% | 66% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 19 | 1,334 | 79,221 |
| Total private schools | 8 | 395 | 24,874 |
| Total post-secondary schools | 3 | 175 | 7,963 |
| Index | Slidell | Louisiana | National |
| Completed 8th grade | 82.2% | 80.2% | 84.3% |
| Completed high school | 80.8% | 78.5% | 83.0% |
| Completed some college | 57.8% | 49.9% | 59.4% |
| Completed associate degree | 28.9% | 28.6% | 38.5% |
| Completed bachelors | 23.3% | 23.0% | 30.3% |
| Completed masters | 7.6% | 7.9% | 11.5% |
| Completed professional degree | 2.8% | 2.6% | 3.3% |
| Completed doctorate | 1.1% | 1.0% | 1.3% |
There are a total of 19 public schools, 8 private schools and 3 post-secondary schools in Slidell. Using the proficiency score averages, the average test scores for Slidell, LA schools is 75%. The average student to teacher ratio is 14:1. In Slidell, LA, an average of 82.2% of students have completed 8th grade and an average of 80.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Abita Springs, LA | 2,571 | 83% | 72.9% |
| Lacombe, LA | 7,294 | 76% | 57.8% |
| Pearl River, LA | 2,618 | 72% | 50.3% |
| Slidell, LA | 27,782 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Perry Hall, MD | 27,778 | 70% | 46.4% |
| Fridley, MN | 27,789 | 39% | 18.2% |
| Kirkwood, MO | 27,772 | 69% | 43.1% |
| Reisterstown, MD | 27,804 | 36% | 24.6% |
| Williston, ND | 27,812 | 35% | 26.9% |
| Slidell, LA | 27,782 | 75% | 55.2% |
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