Maybe bouldering or speed climbing? I doubt you'll find a high school boy who could beat Alex Puccio in a bouldering competition, for example. Even if he's stronger or taller it takes time to develop the body sense and ability to see routes.
Oh, and I'll one up that video of Maggie Vessey pullup video from a week or so ago. Here's Alex Puccio.
https://www.youtube.com/watch?v=hO5XBwXDgAs
Sure, there's a little bit of "body english", but holy cr*p. One armed is impressive.