Here are some key quotes:
"GCSE students at Ysgol Dewi Sant are taking an eight-week course in relaxation and meditation to reduce exam stress.
Actor Flynn, who lives in the county, visited the school to talk to students.
Head teacher David Hayes said it was helping pupils concentrate in lessons, and focus on their exams.
Head teacher David Haynes said he has been impressed with the results: "The impact has been outstanding in terms of stress relief, concentration for lessons, and the wider world of performing on stage and sports activities.
In some parts of Wales free courses have been set up by the NHS and a parliamentary committee has begun examining whether it could improve outcomes in a variety of public policy areas including business and education."