Cooper was selected for the pivotal role after years spent at weekly drama classes in Manchester, where teachers said their “eyes were just drawn to him”.
Speaking about the Emmy ceremony, where the cast and crew memorably celebrated, external their eight awards, he said: “It was crazy and all a bit of a blur. The amount of people I met there was insane.
“It really was the best day of my life.”
He added “it has been a good year” and returning to school after the round of Adolescence promotions and award ceremonies “wasn’t too bad”.
“The first day back was a bit weird, but I’ve still got my GCSEs to do.
“I’ve only got about six months left and then I am gone – and then hopefully I am going to be an actor,” he joked.