Destroying a child's social life in the name of bringing them up to a standard of state defined literacy is worse than the illiteracy. Consider Rousseau's, "Emile; or On Education." I was called a, "failing student" in school because I was sneaking off to the library to read Kant and Hegel as a teenager. I once got suspended for asking my math teacher about Godel's Completeness Theorems because it was, "smart alec'y"
Please apply the golden rule to your assertions and think of unintended consequences.