Mountain Ridge Lacrosse plays in the Arizona Lacrosse League which is a US Lacrosse member organization. As such, all Mountain Ridge Lacrosse players are required to be US Lacrosse members. Membership must be valid through May 15, 2018 and costs $35.00 annually for high school students. If your membership needs to be updated, please visit US Lacrosse.

US Lacrosse is a 501(c)(3) organization which relies on tax-deductible contributions to support its programs, services, and national teams. As US Lacrosse members, Mountain Ridge Lacrosse players receive lacrosse injury insurance, the US Lacrosse Magazine, an e-mail newsletter, discounted merchandise, free admission to the Lacrosse Museum and National Hall of Fame, eligibility to attend US Lacrosse events, knowledge of supporting the growth and development of the sport, access to programs and services, and the ability to utilize national partnerships.

An Arizona Non-Profit Corporation, a 501(c)3 Charitable Organization