This study examines unethical behaviors and violations of ethical values ​​that occur in educational settings by gathering the opinions of prospective teachers. This study contributes to the understanding of ethical issues and violations of values ​​observed in teacher-student and academic-student relationships and provides an important framework for maintaining and developing ethical culture. To this end, unethical behaviors and violated ethical values ​​in education were identified based on the opinions of the participating prospective teachers. Phenomenology was chosen as a qualitative research design to gain an in-depth understanding of the participants' experiences. Data were collected through a semi-structured interview form and analyzed using thematic analysis. Based on the prospective teachers' opinions, the unethical behaviors they encountered in teacher-student and academic-student relationships; the individual tendencies, relational dynamics, and contextual reasons underlying unethical behaviors; the core ethical values ​​violated; the effects of ethical violations on prospective teachers and their responses to these effects; and the individual tendencies, relational dynamics, and contextual elements that contribute to the sustainability of ethical values ​​were identified. The results can guide the monitoring, prevention, and intervention of situations that lead to ethical value violations.