Allen is a city in Collin County. Allen ISD serves almost all of Allen, with small portions of the Allen city limits extend into Lovejoy, McKinney, and Plano ISDs. Allen High School's football team has won the 5A Div 1 state championship on multiple occasions. Eagle Stadium opened on August 31, 2012.
A multi-purpose arena, the 7,500-seat Allen Event Center, was completed in November 2009. It is home to the Eastern Central Hockey League's Allen Americans, the Texas Revolution who play in the Indoor Football League, and the Dallas Sidekicks of the Major Arena Soccer League. The Center sits among a large outdoor outlet mall and another shopping center.