This research delves into the impact of mental health on students' academic performance in Thika Municipality, Kiambu County, Kenya. The research comprehensively explores the relationship between students' mental well-being and their academic achievements in Thika Municipality. The research addressed pertinent research questions, including the effects of financial challenges on academic performance, the influence of mental health on students' academic achievements, and the impact of academic deadlines on academic performance. A descriptive survey design was employed for data collection, utilizing questionnaires to gather responses from both students and teachers. The research population represented a diverse cross-section of the educational community in Thika municipality. The findings of this research underscore the significance of mental health in the academic realm. It has been revealed that financial challenges can adversely affect students' academic performance, emphasizing the importance of addressing financial support systems for students. This research establishes a substantial connection between students' mental well-being and their academic achievements. Mental health issues can either hinder or facilitate academic performance, necessitating the integration of mental health support within educational institutions. Additionally, the research underscores the role of academic deadlines, indicating their potential impact on student performance. Managing and mitigating the stress associated with academic deadlines can contribute to enhanced academic outcomes. The insights derived from this research are of utmost importance for educational institutions, policymakers, and educators in Thika municipality. Recognizing the intricate interplay between mental health, financial challenges, and academic deadlines can inform the development of more effective support systems to bolster student success