Table 1.

Study data sources.

Data Source	Date	Participants	Uses
Data usage survey	September 2014–June 2015	Wellbeing Leads within 4 case study schools.	To derive contextual measures of school engagement with pupil-level feedback from the School Health Research Network.
Ego Network Analysis	October 2014–April 2015	Wellbeing leads within 4 case study schools.	To measure the characteristics of wellbeing leads’ health and wellbeing networks, and the position of key change agents within this.
Semi-structured qualitative interviews	October 2014–April 2015	4 case study schools (wellbeing leads, members of staff, members of staff and a healthy schools Coordinator at differing positions in the wellbeing leads’ ego-networks.	To explore stakeholder perceptions of wellbeing leads’ health and wellbeing networks, and the position of key change agents within this.
School Environment Questionnaire	March–May 2016	A representative (Wellbeing Lead or a member of senior leadership) from each case study school.	To derive contextual measures of embeddedness of health improvement within case study schools aligned with three topics within the Health Promoting Schools Scheme [2]: Curriculum, environment (measured by a number of policies related to health) and parental involvement.