According to Snopes, the school teaches Latin too.

snopes.com

So, there are two schools “north of Greer” that are fundy Christian schools and teach Latin as well:

Greenville Classical Academy: seems like a Bob Jones outfit
greenvilleclassical.com

and Shannon Forrest Christian School:
shannonforest.com

I was made to attend a worse Christian school than these during the late 1980s/early 1990s when I was growing up in upstate South Carolina. In my mid-30s and still bothered by it