I haven't read that one, but based on her writing style in Teaching Gifted Kids I don't doubt that she is persuasive and inspiring.
I'll bet you are on to something. It's really sad to have all that MAP info and not be using it. Can you talk to the principle and see if he or she is interested? Perhaps you can get Winebrenner to come work with the school as part of the continuing education budget? Is there someone at a state level win the education department who could be a resource? Do any of the neighboring schools use cluster grouping and MAP and you could set the two principles up to chat?
Remember that cluster grouping only is proven to have educational effects when the teachers actually teach to the groups new higher readiness level. No doubt they provide unmeasured social benifits without changing what the teacher is teaching, and that some teachers would up regulate based on what the students seem interested in, but...
Love and More Love,
Grinty
