Editing by Steve Mills, Kaarin Tisue and George Papajohn; additional data analysis by Ruth Talbot and Agnel Philip; additional research by Alex Mierjeski; visual presentation by Laila Milevski, Michelle Williams, Maya Eliahou, Steve Rosenberg, Todd Panagopoulos and Raquel Zaldivar; engagement reporting by Adriana Gallardo and Ariana Tobin; copy editing by Colleen Barry and Jeff Carlson.

Jennifer Smith Richards has been a reporter at the Chicago Tribune since 2015. Jennifer’s data-driven investigative work often focuses on schools and disability. Most recently, she uncovered the misuse of seclusion and restraint in Illinois public schools and investigated sexual abuse and assault in Chicago schools. She previously wrote about education for more than a decade at newspapers in Huntington, West Virginia; Utica, New York; Savannah, Georgia; and Columbus, Ohio. She is a member of the ProPublica Distinguished Fellows program.

Armando L. Sanchez joined the Chicago Tribune as a photojournalist in 2014. He was born and raised in Austin, Texas, and graduated from Western Kentucky University in 2012.

Jodi S. Cohen is a reporter for ProPublica, where she focuses on stories about schools and juvenile justice.

Laila Milevski is the Scripps Howard Illustrator and Visual Journalism Fellow at ProPublica.