Previous literature has found that psychology graduate students experience clinically significant rates of mental health problems. Self-care practices at the individual and program level may help to mitigate these outcomes and benefit student wellbeing. However, minimal research exists about the mental health and self-care practices of school psychology graduate students. The current study examined prevalence rates of anxiety, depression, and stress in a sample of school psychology students (N = 202) as well as self-care utilization and perceptions of programmatic self-care emphasis. Results indicated that most participants reported clinically significant rates of stress, depression, and/or anxiety. In contrast to prior findings, participants who identified with minoritized identities did not report significantly different rates of mental health outcomes. Correlational analyses revealed significant negative relationships between participants’ self-care utilization and mental health outcomes, and between perceived programmatic emphasis on self-care and participants’ mental health outcomes. Coding of open-ended survey responses identified barriers to and facilitators of participants’ self-care and the impact of the COVID-19 pandemic on participants’ mental health. Findings highlight that school psychology students face significant threats to their mental health throughout training and indicate that encouraging self-care practices may support student wellbeing. Implications for training and future research are discussed. Impact Statement This study found that most of the school psychology graduate student sample reported clinically significant levels of stress, depression, and anxiety and that rates did not differ significantly across student subgroups. Additionally, results indicated individual use of self-care strategies as well as a broader emphasis on implementation of self-care across programs were positively related to students’ wellbeing. Barriers and facilitators of self-care services, including the impact of the COVID-19 pandemic, were also explored. The results of this study contribute to our knowledge of school psychology graduate trainees’ experiences of stress and mental health challenges during their training, as well as offer practical steps for graduate programs to implement wellbeing supports desired by their students.