Ask teachers if print exposure can make students smarter. Consider the ideas of Keith Stanovich at https://www.youtube.com/watch?v=lF6VKmMVWEc
If they agree with Stanovich, where will more print exposure come from? Will students reading below grade level enjoy World History textbook paragraphs about people of the river in Mesopotamia, or do they need something more engaging?
Share the work of Anne Cunningham and Keith Stanovich with them which shows how the volume of reading influences reading comprehension.