In my twin boys» randomly
assigned kindergarten classroom, some students entered school reading Magic Tree House chapter books, while other students were just learning their letter sounds, a four - grade - level spread among five - year - olds (pre-K to 2nd grade).
Not exact matches
Another study, co-authored by Elizabeth Cascio and Diane Schanzenbach, uses data from the well - known Project STAR experiment in which students were randomly
assigned to
classrooms prior to
kindergarten entry.
In Project STAR, 11,571 students in Tennessee and their teachers were randomly
assigned to
classrooms within their schools from
kindergarten to third grade.
Cascio and Schanzenbach estimate the effects of having older peers using data from an experiment where children of the same age were randomly
assigned to different
kindergarten classrooms.
[12] In this study, which covered a period in the 1980s, students in 80 schools were
assigned at random to
kindergarten and first - and second - grade
classrooms that were designated as large or small.