There were 2,952 ninth grade students enrolled in St. Tammany Parish schools in the 2023-24 school year, 5.9% less than the previous year, according to the Louisiana Department of Education.
Mandeville High School welcomed the most ninth grade students in the parish.
Within St. Tammany Parish schools, the most students were found in ninth grade classes, while sixth grade classes were the smallest.
Statewide, St. Tammany Parish ranked fourth highest in enrollment numbers, the same as the year before.
Louisiana’s education system was considered one of the worst in the U.S., according to a WalletHub analysis. The state was ranked 47th overall, based on class size, student performance, funding, school safety, and teacher qualifications.
| School name | Number of 9th Grade Students Enrolled | % of Student Body | Total Enrollment |
|---|---|---|---|
| Mandeville High School | 510 | 24.7% | 2,067 |
| Slidell High School | 476 | 28.3% | 1,682 |
| Covington High School | 418 | 26.7% | 1,568 |
| Northshore High School | 406 | 26.7% | 1,519 |
| Fontainebleau High School | 379 | 25.1% | 1,508 |
| Salmen High School | 281 | 26.6% | 1,058 |
| Pearl River High School | 256 | 32.3% | 793 |
| Lakeshore High School | 226 | 26.8% | 844 |



