Absolutely it has a significant impact, after all any type of addiction affects study and school.
The choice is crucial especially if you happen to make some small win, for an adult maybe it is not a big deal, but for a kid
who doesn't have an income anyway, getting a win without struggling and without sacrifice, could interpret it as easy money and that's when the damage has been done.
It is also significant to point out, most children and teens see at gambling and interpret it is nothing but a game and they could get consistent money from gambling because they believe they believe it is possible for them to get "better" at that game, which is false.
In childhood and teen years, most of the activities people partake in are skill based, so the extrapolate that experience to gamble.
In the end, when they realize there is no skill to develop when comes to gambling and luck is the only factor which matters ilon casinos, it is already too late for them, many becoming passive addicts or get desperate to recover money they lost (which belonged to their parents in the first place).