In 1902, the 20th Amendment to the Constitution of the State of Colorado, known as the Rush Amendment, created the City and County of Denver, separating it from Arapahoe County. In 1903, Denver Public Schools was established. All school districts in Denver County were consolidated into Denver Public Schools, and Aaron Gove became the first-ever DPS Superintendent. Margaret Tupper True was president of the Denver School Board from 1906 to 1908, one of the first women to serve in such a role in a major city.