Here are two documents this weekend that shed more light on the “purpose built” nature of Crosswinds. These are both documents prepared by the architectural firm, the Cuningham Group. Incidentally, this group also designed the FAIR school in downtown Minneapolis and the Washington Technology Magnet in Saint Paul.
The two documents I found have been scanned and made available at Scribd. One is a booklet about Crosswinds.
The other is a guide to the school that appears to have been prepared for a jury award tour at the school in 2002.
The firm also has their own web page about Crosswinds. This page lists a number of architectural and design awards for the building.