This classroom action research demonstrates that the performance of eighth-grade students in science and technology courses using the STAD technique-based cooperative learning management was enhance to achieve a minimum of 70% and this technique yielded highest students' satisfaction. The sample group consists of 37 eighth-grade students from a school in Sakon Nakhon Province during the first semester of the academic year 2022, selected using purposive sampling. The research tools include a learning management plan, a 20-item multiple-choice achievement test on the topic of fluid, and a learning satisfaction form. The data analysis was based on averages, standard deviations, and percentages. The results show that students who were taught using the STAD technique-based cooperative learning management achieved an average score of 15.35 with a standard deviation of 2.07, exceeding the 70% success rate. The students expressed high levels of satisfaction with the STAD technique-based cooperative learning management, with an average overall satisfaction score of 4.42, and the highest satisfaction was reported for "teaching and learning activities" with an average score of 4.43.