This study investigated the effectiveness of using a blog on improving creative writing skills of first-year secondary school students. The sample of the study consisted of (30) students at Mohamed El-Tayeb Official Language School. It utilized the one group quasi-experimental design with its pre-post testing procedures. The instruments included a creative writing skills test for secondary school students, creative writing skills checklist, a rubric for assessing the creative writing skills test and interviews for teachers and students . It was administered to measure the effectiveness of using the blogs. The study was conducted during the academic year 2019/2020. The results showed that there were statistically significant differences between the mean scores of the participants in the pre-post testing of creative writing skills favoring the post testing. The study concluded that using a blog proved to be effective and has considerable contributions in improving creative writing skills of first-year secondary school students.