Founded in 1939, the Greater St. Louis Association of Umpires is the oldest umpires association in the St. Louis area. More than 250 member umpires live and work within a 50-mile radius of St. Louis County, servicing a wide range of levels, including but not limited to high school varsity and sub-varsity baseball and softball; NCAA, junior college and NAIA; summer youth leagues and various adult leagues.
The GSLAU develops news members through rigorous and organized training programs, keeps those umpires and their veteran peers informed about rules changes through a series of annual clinics, and assigns and manages schedules for all members in consultation with league organizers using the scheduling service.
Our formula is proven. The GSLAU has placed more members in professional baseball than any other association, including many currently in the minor leagues or the independent Frontier League.
For high school baseball and softball, we are the exclusive provider of umpires for all of the St. Louis suburban conferences, four of the five Metro Catholic schools, all of the Gateway Athletics Conference and the AAA Conference, among others. Our umpires work almost 10,000 spring and summer high school games, plus about 5,000 summer contests. We always are looking for new members. 

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