The American Youth Soccer Organization (AYSO), founded in 1964, is a nationwide non-profit organization that develops and delivers quality youth soccer programs in a fun, family environment based on Six Principles – Everyone Plays, Balanced Teams, Open Registration, Positive Coaching, Good Sportsmanship and Player Development.
AYSO provides world-class youth soccer programs that enrich children’s lives. AYSO Region 45 provides soccer to over 2000 boys and girls in grades K-12 from Mountain View and the southern portion of Los Altos, but children from any area can register. We are an All-Volunteer organization so please consider Volunteering!
Registration for our Fall 2012 season begins Saturday, April 21. To register, proceed through the following steps:
1) Read our home page, FAQ, and Registration page thoroughly to acquaint yourself with our philosophy, policies, and procedures.
2) Follow this link to our Registration page.
3) Proceed through Registration and make sure to submit a payment either online or by mail. Registrations unpaid as of June 2 will be moved to our wait pool and cannot be guaranteed a spot.
Walk-in Registration for families without computer access is available on Saturday, May 12, from 9:00 a.m to noon in the computer lab at Castro Elementary.
Our Fall 2012 season begins with team formation in late August, practice games in early September, and regular weekly play through mid-November.
We look forward to seeing you all out on the fields in September!
We are actively seeking Registrar volunteers for the upcoming season. Enjoy the satisfaction of making soccer season possible for thousands of local kids, and the company of a convivial Board of Directors. Please email registrar@ayso45.org to express your interest.

Please visit our Summer Camps page for our information on our Summer Camps offering through AYSO Soccer Camps.
Please explore the web site for more information about our program. It is for the kids!