what are school sports that pair well with martial art training.

Qualifying criteria:  Cardio, hand eye coordination, situational awareness, endurance, spatial awareness, kinesthetic awareness, explosiveness.

Disqualifying criteria: critical interference with MA.  Social obsession with certain sports, parental obsession with particular sports, chance of injury. Sport is more about building  specific technique.

Soccer, Volleyball, rugby, wrestling, basketball, swim, track (sprints, hurdles, relay, runs 5k and less, long jump, hept/dec athlon), lacrosse, gymnastics, dance

A. Football info:
https://concussionfoundation.org/
https://www.pushkin.fm/podcasts/revisionist-history/burden-of-proof
https://www.medstarhealth.org/news-and-publications/articles-and-research-reports/which-youth-sports-cause-the-most-concussions