Internalizing symptomatology and academic achievement: Bi-directional prospective relations in adolescence

•Examined the link between adolescent internalizing symptomatology and achievement.•Adolescents were followed annually from 6th to 10th grades.•Depression and anxiety prospectively, negatively predicted GPA.•GPA prospectively, negatively predicted depression and anxiety.•Adolescent internalizing symptomatology and academic achievement are closely linked.