As a fairly experienced educator, I was VERY shocked at the opening statement of Wayman & Stringfield’s (2006) article that student data is an “untapped resource in helping educators diagnose student learning needs.” I find it hard to believe that teachers do not use data to plan out teaching and learning, as “data use is central to the school improvement process” (Chrispeels 1992; Earl and Katz 2002 in Wayman & Stringfield, (2006)). Thinking more closely however , I thought of a few fundamental reasons why data may not be used or may not be used effectively; namely lack of access, lack of time, and lack of training. One of the major components to why data is not used or is used but perhaps inefficiently, is due to the way it is stored and accessed. Historically, data has been collected , but storage systems effectively rendered that data “inaccessible to most practitioners” (Wayman & Stringfield, 2006) which can only “frustrate flexible analyses” (Stringfield et al. 20...