Establishing an online community of professional learners was one component of a multi-year professional development project with an overall goal of improving the ability of career and technical educators to use and interpret technical assessment data. Educators from five states and nine different schools participated in a research-based workshop and were mentored for several months as they developed a data driven action plan. Very few of the project participants engaged in substantial exchanges using the website that was established to enhance communications among the educators at a distance from each other. The principal investigators discuss and present design elements of online communities used to revise the website and its facilitation. (Contains 1 table.)