The purpose of this study was to develop a scale in order to measure prospective teachers' attitudes towards the Curriculum Development and Instruction course. The study group was composed of 286 prospective teachers. The process of developing the Attitude Scale involved a literature scan, taking student opinions through essays, creating an item pool, taking expert opinions, a pretesting study as well as studies on determining the structural validity and reliability. The scale as a result of analysis consisted of 30 items and three factors. These factors were called contradiction (12 items), interest (9 items) and appreciation (9 items). It was seen that the factor weights of the scale items varied between 0.51 and 0.75. Three factors were interpreted 60.15% of total variance on scale scores. The statistical analysis concluded that the Attitude Scale for Curriculum Development and Instruction course was a valid and reliable tool.