Discussion
The key findings of the randomised controlled trial were a significant improvement in mental health knowledge, mental health related behaviours, and help-seeking behaviours, with a reduction in stigmatic beliefs about people with mental health problems, in those pupils that received the Guide intervention in comparison to those that did not. We, therefore, demonstrate that providing teachers with appropriate resources and training to deliver the Guide Cymru programme within their classrooms can improve the mental health literacy of pupils.These outcomes replicate the findings of Milin, Kutcher [The study further extends the findings of Milin et al. [