Methods	Cluster randomised controlled trial
Participants	32 elementary schools; 7500 students Gender is not reported. Ethnic minorities represent ≈80%
Location	United States
Interventions	Safe and Civil Schools (SCS) is a school‐wide intervention promoting positive behaviour and support. “Program deliverers receive training on how to implement improvements related to safety, behaviour and discipline”. (p.320)
Programme deliverer	School administrator, three general education teachers, one special education teacher and one or two other staff.
Evaluator role	Independent
Outcomes	Suspension Achievements test scores Resiliency, protective factors, and risk behaviours Opinion on the level of implementation of the school‐wide intervention
Length	One year
Assessment	Post treatment and one‐year follow‐up
Attrition	Unclear
COI statement	Not presented
CoFI	Unlikely. Programme was developed by Sprick et al.1992 for profit but evaluator seems to be independent.