In Ontario (Canada), it's more of a high-achievers program, which is different from being gifted. It's for kids who can reach a particular level on the standardized IQ test, but who also excel academically. Rather than teaching in a specialized way for a specific neurotype, they're teaching to the "keeners".
https://medium.com/age-of-awareness/why-gifted-kid-burnout-is-a-thing-c55432bb33c1