The current research aims to evaluate the effectiveness of using the effectiveness of the flipped classroom through the Blackboard system on developing fashion design skills among female students of the College of Education at Najran University. The research sample was selected from female students of the College of Education at Najran University, who were randomly divided into two equal groups (experimental and control). With the use of a product evaluation card as a research tool to collect data. The results showed that the flipped classes offered through the Blackboard system had a significant and positive impact on the development of fashion design skills (in functional, aesthetic and creative aspects) for the participants in the experimental group, compared to the participants in the control group who were taught in the traditional way.