Last year, the school board meetings of Deerfield Public Schools District 109 became national news. A mother’s accusation against school officials, made both at a board meeting and on national television, turned the district into a local flashpoint for a national fight over transgender student inclusion.It culminated in the auditorium of Caruso Middle School, with hundreds packing the seats and lining up out the door. That night, the group’s energy was far more in support of the unidentified transgender middle school student at the center of it all. When one trans student came to the lectern to speak, most stood...