Ability grouping works for K-2 readers.

Schools are moving to scripted, structured lessons and "high-quality" (they hope) learning materials.

Reading comprehension is based on decoding, vocabulary and knowledge, say "science of reading" advocates.

Steubenville's families are struggling to make a living -- but their children are excellent readers.

Overall, family poverty and reading problems go together. But some school districts are beating the odds.