Cost of high school football stadium rises to $70 million. But an even pricier high school football stadium is getting built just a few miles away. A McKinney, Texas, high school voted last week to build a $62.8 million football stadium, the most expensive in the country. High schools are more important than ever in today's sporting world - it's the place where future sports legends are first spotted by scouts and fans alike and young people develop skills that will serve them their whole lives: teamwork, discipline, the importance of hard work and taking pride in what you do. Everything’s bigger in Texas, and now the record-setting budget for a new high school football stadium has reportedly ballooned to a whopping $70 million. The first high school football game at Hillsboro Stadium was on September 17, 1999, when Century played Oregon City. A small high school football stadium could cost a few thousand dollars. Cost of high school football stadium rises to $70 million. Screenshot courtesy of Skyhawk Videos Seven schools call Cy-Fair FCU Stadium home. That is entirely dependent on the size of the stadium. Eagle Stadium in Allen, Texas, cost more than $72 million and holds as many fans as an NBA arena. A small high school football stadium could cost a few thousand dollars. The stadium cost $7.5 million to build, and opened in August 1999; the entire sports complex cost $10 million to build, with funding from the city and the Ronler Acres urban renewal district. That is entirely dependent on the size of the stadium. McKinney (Texas) district says higher concrete and labor costs have added to the budget of what some have labeled the most expensive high school football stadium ever. High School Sports Bleachers by Southern Bleacher Company. Everything’s bigger in Texas, and now the record-setting budget for a new high school football stadium has reportedly ballooned to a whopping $70 million. Read on for a snapshot of the 10 most expensive high school football stadiums in Texas. Alvin ISD is working on a stadium that will cost more than $40 million when it opens next season. Two years ago, Katy ISD caused a stir when it opened the $70.3 million Legacy Stadium – which is the most expensive high school football stadium in the state. McKinney (Texas) district says higher concrete and labor costs have added to the budget of what some have labeled the most expensive high school football stadium ever.