The big picture perspective on instruments like MAP, as I've mentioned here before, is that they are tools for identifying and progress monitoring at-risk students. (That is, sorting students into intervention/non-intervention categories.) For everyone else (on- and above- grade level), they're just another little piece of data to combine with the rest of the portfolio. Fine as far as it goes.

You can use them as part of a more holistic advocacy effort, but probably not as a stand-alone, as you wouldn't have enough information to make a truly thoughtful instructional plan.