The present study aimed at investigating the impact of using CoRT program to develop secondary stage students' creative writing skills. The targeted creative writing sub- skills were (flexibility, fluency, accuracy, and originality) the study adopted the quasi-experimental design. Using 60 1^st year secondary stage students divided into two groups:  an experimental group received the CoRT program and a control group that was taught in the regular method. Instruments designed and used in the study were a creative writing test and a rubric for scoring the students' creative writing performance. The experimental treatment was conducted during the second semester of the academic year 2017-2018 the results showed that there was statistically significant difference between the control and experimental groups on both instruments in favor of the experimental group. In addition, there were statistically significant differences between pre-and post-administration of both instruments on the experimental group in favor of the post administration. The results indicate that The CoRT program led to developing students' EFL creative writing skills.