That we can microbenchmark any aspect of the education system looking for improvements but and the end of the day colleges are packed and you'll be hard pressed

That we can microbenchmark any aspect of the education system looking for improvements but and the end of the day colleges are packed and you'll be hard pressed to find someone who is genuinely illiterate -- you'll find people who don't read and write English super well but it's because it's their second language and they're perfectly literate in their native tongue.