Right-wing social movements in the United States have been underexplored in the sociological literature. This article examines how right-wing social movements have been able to capture a foothold in the Texas state Republican Party, and maintain political support even as their policies and politics have grown increasingly partisan and increasingly extreme. Through in-depth analysis of the state Republican Party’s internal battles over the past twenty years, coupled with a fixed-effects regression analysis of statewide election results 1994–2012, the article uses the context of statewide battles over equalization of education finance to explain how right-wing movements in Texas have maintained durable support for radical, right-wing candidates and policies. The article demonstrates the role played by material and symbolic "threats" in maintaining and increasing support for the Republican Party, even among previously moderate populations.