Philadelphia to overhaul social studies curriculum after congressional probe

• Philadelphia parents raised concerns about their children's social studies curriculum.
• A congressional investigation by the House Education and Workforce Committee revealed troubling content in the curriculum.
• The Philadelphia school district plans to overhaul and standardize its social studies curriculum.
• The investigation was prompted by concerns from parents and congressional Republicans about the curriculum's content.
• The congressional report documents how a small group of school personnel developed the problematic curriculum.