Sauer property it constructed the Jack Blanton Community Center. The school took possession of the Douglass property in June 2006. Ultimately the capital campaign netted $12 million ($ when adjusted for inflation), and it was able to acquire land for ball fields. In 2009, the school had about 256 students. In 2010 it had about 320 students. In 2011 Hansen received the AdvancED Texas Excellence in Education Award. In 2011 the school added the eighth grade, finishing its expansion. Circa 2018 the former middle school division was to be given to a new charter secondary school, Yellowstone College Prep. Mission The school's goal is to educate children who are, according to the U.S. Census Bureau, under the poverty line. Specifically the school intends to serve students who live in households making no more than half of the poverty line. The school intends to put children from inner city neighborhoods at the same academic standing as children from suburbs. Yellowstone intends to prepare the students for university studies. Larry Marshall, the principal of Douglass from 1963 to 1971 and a Houston Independent School District board member as of 2006, compared Yellowstone to the Chinquapin School. Yellowstone, along with Chinquapin and Cristo Rey Jesuit College Preparatory of Houston, is one of the only private schools in Greater Houston catering to low income students. Facility The Houston Business Journal said that the new location was a "perfect fit" for the school since its mission was to educate low income inner city students. The Douglass Elementary School building first opened in 1927. Due to a decline in enrollment, HISD closed Douglass Elementary School in May 2005. In spring 2005 Douglass Elementary had 274 students and had faced a 26 percent decline in enrollment in a five-year period leading to 2005. After Hurricane Katrina struck in the fall of that year Douglass temporarily reopened to accommodate hurricane refugees. The HISD board voted 6-1 to lease Douglass to the KIPP program for one year, so the Katrina school could operate. KIPP opened NOW (New Orleans West) College Prep, a temporary K-8 school. In March 2006, HISD agreed to sell the Douglass Building to the academy. The Jack Blanton Community Center is located on a plot of land at 2813 Sauer Street, adjacent to the main school. The center houses the school's physical education facilities. Yellowstone wanted a center in order to add facilities necessary for middle