Sean Lechner and his 16-year-old daughter, Briley Lechner, are suing Monroe Public Schools District, the Michigan High School Athletic Association, the district's superintendent and its athletic director. In their lawsuit filed Oct. 9, they allege school officials concealed from the Monroe High School girls’ varsity volleyball team and their parents that the team would be playing against a transgender girl during its Sept. 9, 2025, match against Ann Arbor Skyline High School, according to the lawsuit.