Stress, and stress-related health complaints, are common among young people, especially girls. Since studies have shown that school demands are an important driver of stress in adolescents, identifying if school-based resources can protect against stress is highly relevant. The aim of this study was to analyse task-related demands and task-related coping resources as aspects of the school work environment of potential relevance for stress in mid-adolescent girls and boys. The data came from “The School Stress and Support study” (TriSSS) conducted among students in grades 8 and 9 (aged 14–16 years). Self-reports of demands, coping resources, stress, as well as recurrent pain, were collected through questionnaires (n = 411)....