Background: Cooperative learning is one of the foremost active learning techniques, in which the nursing students work together in small groups from different academic levels for sharing their knowledge and skills to achieve their learning goals Aim: This study was conducted to evaluate the effect of cooperative learning training program on nursing students’ academic achievement and their attitude. Method: A quasi-experimental design was used and the study sample consists of 82 students in the fourth academic year, randomized into two equal groups; study and control. Three tools were used for data collection; "Selfadministered Questionnaire about personal characteristics", "students' clinical evaluation practical checklist", and "students' attitude toward cooperative learning scale". Results: The total mean scores of achievement are higher in the study group (46.9±2.01) than those in the control group (35.4±3.6) with a highly statistically significant difference in all practical units of achievement. As well as, the highest percentage of nursing students had a positive attitude towards adopting cooperative learning to learn clinical nursing administration course (80.5%).Conclusion: the cooperative training program improved the academic achievement in the study group with a highly a statistically significant correlation between achievement and attitude. It recommended that providing in-service training programs to clinical nurse educators for utilizing cooperative learning in their clinical environment