In 1992, the state of Texas awarded a number of inducement grants to collaboratives of universities, schools, and service centers to develop field-based professional development schools (PDSs) and provide preservice and inservice teachers with extensive professional development. This study investigated the design and effects of the professional development models in these Texas Centers for Professional Development and Technology (CPDTs). This study used qualitative data collection and analysis procedures. Raw data were collected in the form of individual interviews, focus group interviews, documentation, and fieldnotes. Forty-six interviews were completed involving a total of 83 respondents representing all partnering entities: university representatives, school representatives, education service center representatives, and policymakers. Documentation included annual and quarterly reports, grant applications, and program approval requests. Fieldnotes included observational data from site visits. Data analysis was an iterative process using a constant comparative analysis of coded categories emerging fromtranscribed data. This comparison examined: the vision of professional development as perceived by the respondents, the enactment of professional development as experienced by the respondents, and the effects that the CPDT initiative had on professional development as perceived by the respondents. This study revealed 18 themes that were common across all eight Texas CPDTs. The themes revealed patterns …