I'm getting down voted but let me elaborate: Do they speak a language that would be widely useful in the US? Are they literate? Numerate? Basic stuff we take f

I'm getting down voted but let me elaborate: Do they speak a language that would be widely useful in the US? Are they literate? Numerate? Basic stuff we take for granted here in America, where everyone had at least 10 years of public schooling. We're not even going into the more "advanced" skills like a driver's license, or functional literacy.