re: North or South Louisiana high school football?

Let me put it in terms of recruits making it to the NFL.

North LA = Louisiana
South LA = Texas

There is far more population in the South so you're going to have more depth as far as teams that are good and talent. Per capita though, the North is much better. Look for the North to get even stronger with the Shale boom. Shreveport/Bossier has exploded an you're seeing that reflect on the field.