I know in my children's school, they do reading comprehension tests with the kids yearly to see what grade level they are at. My dd is in 5th grade now and I know they were still doing them in 4th grade.
Stephanie, mom to 3 big girls (10, 13 & 19) & 1 sweet little guy (3)
Mom to my girls ('94), ('99) & ('02)
And my little guy (12/09)