Expectations and Reports of Homework for Public School Students in the First, Third, and Fifth Grade
http://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2009033
Covers amount of time that teachers expected students to spend on reading/language arts and mathematics homework in the 1st, 3rd, and 5th grades, and the amount of time parents reported that children spent on homework. From the National Center for Education Statistics.
