St. Mary Parish deputies said Bannon Lightsey hit Cameron Gragg in the head with a baseball bat at a boat landing.
The victim was taken to a hospital and later died.
Lightsey's bond is set at $500,000.
The two day event consists of high schools from the Acadiana area presenting their ideas on how to promote Gulf Coast tourism.
The students have to come up with a plan that uses zero advertising dollars.
The Dancing Dolls from Southern University made Madonna look good!
The lovely ladies were part of this performance thanks to a YouTube video.
Sources said that is how the material girl discovered them.