DS is in second grade. No reading, social studies, science, or Spanish text books. They read lots of short books (the guided reading room has lots of group sets for each level,) magazines, stuff online, etc. There is a math text book for...
You are the only person I know who talks about the percentages. The teachers in my kids school, and those on my education lists, don't. Just that there is a lot of non-fiction. My kids don't have textbooks. I haven't seen any of those in...
Of course it's not. And there is no stopping teachers (at least at the elementary level) from incorporating more fiction into their day and children from self-selecting fiction during free reading time and from the school library.
Our state adopted new standards in ALL curriculum areas, not just literacy and math. Every teacher in the district is juggling new standards.
I know for sure that my second grader isn't reading 70% nonfiction material. Not even close....