A theme that emerged in many of your first week reflections is the issue of using testing data to group students. This is a rich topic that remains controversial even as it exists as a standards practice in our school system. I thought this link might bring up some fruitful deliberation on the merits of using certain reading assessments to ability-group students.
Check out this short video featuring Dr. O'Flahavan from the University of Maryland discussing the validity and reliability of statewide testing programs. Feel free to contribute to this discussion by adding a comment to this post. :)