1.2. Previous Research on School-Based Interventions to Improve the Psychosocial Learning Environment and Promote Completion
Schools can be seen as key environments for the promotion of adolescents’ mental health, academic performance, and belonging, and school-based programs are able to reach many youths from different family backgrounds. However, Poling et al. [In a previous study from the COMPLETE project, no significant effects were observed of neither the DSP nor the DSP and MHST in combination on loneliness in the first follow-up (8 months after baseline), but a small effect was identified on mental health problems for girls [Thus, focusing on building good relationships and environments, through the involvement and extensive use of young people’s own resources, can strengthen their sense of meaning, motivation, and belonging to their schools, which increases the likelihood of completion and prevents dropouts.