MOUNT PROSPECT, Ill. (WLS) -- A northwest suburban school district is gauging the public's interest in renovations that could cost up to $850 million.

High School District 214 says no proposals are on the table at this point, but they are in the process of gathering public feedback on major updates.

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District 214 Superintendent Scott Rowe showed off the basement at Prospect High School in Mount Prospect Tuesday, saying it still has the original boiler from when the building was built in 1957.

It's one of six high schools and seven district buildings that the district says need major updates.

"Our teams do such a great job of keeping our facilities looking fresh, looking new. But when you get behind the walls, that's where our att

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