There are also books you can get for them.
You also might have them check around to find the most conservative teachers at the college.
And check "Rate My Professor" and read the reviews.
Sometimes, when kids kids are prepared ahead of time and are placed in with liberals, they actually learn that they don't want to be a liberal.
Hillsdale College BUMP!
What a wonderful resource.
Also, look at Liberty University Online, it is more expensive than Community College, but it might be a fit.