Long-time science teacher and CVN “Science Cowboy” column-writer Mark Fontenot is ending his tenure at the Haines School after 26 years.

“I did some growing up in west Texas and thought cowboys were the coolest,” Fontenot said. “I’m a wannabe cowboy. I’m a cowboy without a horse.”

The second-longest serving teacher in the district, Fontenot said in his resignation letter he’s seen teachers burn out but remain in the job.

“I think we’ve all had…