The Texas Courts of Appeals are a set of 14 appellate courts in the Texas judicial system with intermediate jurisdiction in civil and criminal cases that are appealed from the lower district or county courts.​

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The size of each district's court varies.  The 3rd District Court of Appeals has six justices; four of these seats are up for election in 2018.  Like the Texas courts of last resort, the 3rd District Court of Appeals is entirely Republican.