4. Discussion
SECONDARY
The aim of this study was to examine whether the DSP and MHST interventions impacted the students’ perceived classmate support, caring climate, teacher support, psychological distress, life satisfaction, loneliness, grade point average, absenteeism, and school completion in upper secondary school after one, two, and three years of intervention. The results showed no significant effects of either the DSP (I1) or the DSP and MHST in combination (I2) on the outcome variables.