3. Alamo Stadium in San Antonio – about 18,500 capacity

Alamo Stadium is home to eight high schools in the San Antonio Independent School District which accounts for its oversized seating capacity. Dubbed the “rock pile” by locals for its limestone construction, the stadium underwent massive renovations in 2011 which reduced its seating capacity, thereby unseating it as Texas’s largest high school football stadium.

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3. Alamo Stadium in San Antonio – about 18,500 capacity