This article offers a comprehensive documentary analysis that explores educational practices as bases for promoting interpersonal relationships in the classroom. The categories of educational environment, teaching methodologies, social interactions, and classroom harmony are examined in detail, with the goal of understanding how each of these dimensions contributes to the development of a healthy and collaborative school environment. Through this review, we seek to highlight the importance of an effective integration of pedagogical practices that facilitate academic learning by promoting positive relationships between students and teachers, thus creating a harmonious and productive school coexistence. This documentary analysis demonstrates that a comprehensive pedagogical approach, based on the combination of a positive educational environment, inclusive teaching methodologies and the promotion of healthy social interactions, is essential to achieve harmony in the classroom. By implementing educational practices focused on coexistence and interpersonal relationships, the academic performance, personal and social development of students is strengthened, which is key to a more effective and equitable school coexistence.