I really like this poem, it's a subject that I haven't read in poetry yet, so I applaud you for being creative! :)
I like the use of "buff the wind" -- I think you mean there that people are more interested in/more knowledgeable about reading/writing than they used to be.
I don't believe that illiteracy is completely diminished, there are still children that have trouble and still a bunch of the older generation that probably can't read due to finishing school at an early age to work.
But within a few years, with school being mandatory now... it helps tremendously with the decrease of illiteracy.