Complex sentence: High School rugby in New Mexico is governed by the New Mexico Youth Rugby, the "NMYR," is a registered non-profit and all volunteer sports organization dedicated to the development of youth and high school rugby for both boys and girls in New Mexico.
Split into simpler sentences: High School rugby in New Mexico is governed by the New Mexico Youth Rugby. NMYR is a registered non-profit and all volunteer sports organization dedicated to the development of youth and high school rugby for both boys and girls in New Mexico.