The YAM-project (Youth Aware of Mental Health)

Inclusion criteria: The inclusion criteria for schools are public schools, which as a minimum have 2 parallel classes of 9th grade with students aged 15+ years. Exclusion criteria: Schools specialized towards specific groups of students, such as vulnerable groups, and schools, which are providing treatment for students with special needs (in DK: behandlingsskoler og specialskoler) are omitted from participation in the trial. The reason is that these groups of students are considered particularly vulnerable, often with specific diagnoses and special needs for individual support, which do not correspond with the manualized YAM intervention. Boarding schools (in DK: efterskoler) with 9th grade students will be offered to serve as test schools during the training of YAM-instructors but are not eligible per se. Being boarding schools, social interactions between peers might differ in intensity and character from those of schools where children are living at home only attending during school hours.