Earlier quoted context omitted.
I was in the gifted program when I was in elementary school and I don’t recommend it. It took a kid like me who was already prone to social isolation and isolated him further. I voluntarily left the program after 2 years and was playing catch up socially and I wasn’t any better off academically. Don’t put your kids in that program.
I am sorry that your experience was so terrible, but the plural of anecdote is not data. For a counter-anecdote, my experience of gifted programs is that it was the first place where I wasn't bullied for being more interested in books than sports. This didn't help me fit in with other kids my own age, but it did wonders for my self-confidence and significantly improved my odds of having a decent life. My wife's exper…
... and the definition of experience is not anecdote.
I think that 2 years of experience qualify as data. Anecdote is when you walk in a street and slip casually in a banana skin once.