‘Best friends forever’? Friendship stability across school transition and associations with mental health and educational attainment

Background Friendships have been linked to mental health and school attainment in children. The effects of friendlessness and friendship quality have been well researched, but less is known about the role of friendship stability (i.e., maintaining the same friend over time), an aspect of friendship which is often interrupted by the transition between phases of schooling. Many children report concerns about the secondary school transition which...