The Archdiocese of Chicago is the third largest diocese in the United States and serves more than 2.2 million Catholics in The Archdiocese, pastored by Cardinal Blase J. Cupich, has more than 15,000 employees across its ministries, including Catholic Charities, the region's largest nonprofit social service agency. The Long Term Substitute Lead teacher devises daily lesson plans from the curriculum, which should include ways for students to improve their critical thinking, functions, and social-emotional skills.