I happen to live in Midland, fifteen miles from Odessa. Midland is also entertaining the exact same idea.
First, off here's a local article.
http://www.mywesttexas.com/site/news...d=475621&rfi=6
Second, Odessa has two high schools with about two thousand students each.
Third. World religion classes have been offered here in Midland before, which is actually a bit more conservative than Odessa. I imagine they've had the same. Also had philosophy classes in both schools. Also there was a student drivin initiative to have a bible class several years ago when I was still in school.