Several years ago, while completing my MBA at LSUS, I participated in a marketing study for LSUS to look for ways to increase its footprint in NW Louisiana. As a case-in-point, LSUS' enrollment has basically remained unchanged from its inception in 1967 til today: about 4,000 students. We gathered a ton of data about all schools in the state....
Doing this from memory, but as I recall, a large % of Grambling's enrollment is non-residents (of Louisiana). In fact, in terms of %, GSU has the highest out-of-state enrollment. I'm sure someone could Google this and find the exact numbers....
Louisiana has the lowest, or among the lowest, out-of-state fees. If all schools could/would increase that, to match the national average, or maybe the regional averages of neighboring states, that would help.