The Tilden Livestock Scholarship Association (TLSA) is a Federally recognized 501(c)3 non-profit organization managed by an elected Board of Directors and volunteers. The primary purpose of TLSA is to award scholarships to graduates of McMullen County High School.  Since 1990 the board has awarded over $320,000 to over 160 graduates!

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Each year the TLSA board produces two major events, the McMullen County Jr. Livestock Show in conjunction with the local 4-H and FFA clubs, and the Spring Social which serves as the main fundraiser for the organization.