The schools taking part in a trial of longer school days have been announced as the experiment has begun, Welsh Government have announced.
A total of 13 primary and secondary schools, and one college, will take part in the trial of five hours of extra activity per week over a 10-week period.
Around 1,800 learners in schools in Cardiff, Blaenau Gwent, Neath Port Talbot, Rhondda Cynon Taf, and the Vale of Glamorgan will be involved.