Lane Tech High School (Matt Masterson / Chicago Tonight)

A staff member at Chicago’s largest public high school has been removed following an allegation of inappropriate behavior involving a student. “We are taking this situation seriously,” the school’s principal wrote Friday in an email to parents.

Apple CEO Tim Cook speaks Tuesday, March 27, 2018 at Chicago's Lane Tech High School.
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CEO Tim Cook: CPS among most diverse, forward-thinking school districts

Apple CEO Tim Cook had nothing but praise for the city of Chicago and Chicago Public Schools during one of the company’s signature product reveals Tuesday morning in Roscoe Village.