The research aimed to verify the effectiveness of a short, solution-focused counseling program to reduce smartphone misuse in promoting academic Thriving among high school students. To achieve this goal, the tools were applied to a sample of (9) female students who were selected purposively from the second year of high school in the science section enrolled at the Martyr Ibrahim Hassouna School in Al-Qatawiya, Abu Hammad Center, during the academic year (2025-2026 AD). Their ages ranged from (16.7: 17.2) years, with an arithmetic mean of (16.73) years and a standard deviation of (0.39) years. Based on the quasi-experimental approach using the experimental and control group design, and after applying the research tools, which consisted of the smartphone misuse scale, the academic flourishing scale, and the short, solution-focused counseling program (prepared by: the researcher), and after the group members received a counseling program based on solution-focused therapy consisting of (13) counseling sessions (10 group sessions and 3 individual sessions). The duration of each session ranged between (45–90) minutes. The results showed the effectiveness of the applied program in reducing smartphone misuse and promoting academic Thriving among the experimental sample, and the program’s effect remained in the follow-up measurement that was applied one month after the post-application. In light of the results, the research resulted in a set of educational and psychological recommendations.