The qilin ransomware group listed Ritenour School District on its data leak site on 2025-07-18. Country: US Sector: Education Domains named: www.ritenourschools.org Claim as published on the leak site: The Ritenour School District, located in Northwest St. Louis County, is one of the oldest districts in the metropolitan area. They have grown from that one room cabin into 10 schools, an early childhood center and a large adult community prog ...