day-to-day affairs of the administration. Oak Park also has five additional governments which levy real estate taxes. These include the Oak Park Township, the high school district (which also levies from adjacent River Forest), the elementary school district, the library district, and the park district. The United States Postal Service operates the main Oak Park Post Office at 901 Lake Street and the Oak Park South Post Office at 1116 Garfield Street. Elections Oak Park's village board, village president, and other elected officials are elected through a two-stage election process. A primary election is used to nominate party candidates, and a general election is used to elect government officials. Oak Park's election turnout varies greatly depending on whether it is a municipal or national election. In the 2012 presidential election, Oak Park had the highest voter turnout in suburban Cook County; 79.8% of registered voters cast a ballot. Municipal elections for the board of trustees and village clerk generally have much lower voter turnout, averaging around 20% and are held in spring, consistent with state law. The municipal elections are considered nonpartisan, as the national political parties do not put up the candidates. Candidates step forward, or are found by a citizens group that works to find people to have new candidates for each election cycle, encourage participation in local issues. Schools The public primary schools (Lincoln, Mann, Longfellow, Beye, Irving, Holmes, Whittier, and Hatch) and the middle schools, Percy Julian Middle School (formerly Nathaniel Hawthorne) and Gwendolyn Brooks Middle School (formerly Ralph Waldo Emerson) are operated by the Oak Park Elementary School District. These ten schools are part of elementary school District 97, which serves the entire city limits. Performance of schools in Oak Park as evaluated by standard statewide tests is released periodically, known as the school report cards. The renaming of the junior high schools, now middle schools, after prominent African-Americans rather than famous American literary figures was done in part to motivate minority students in their educational pursuits. A gap in school performance, referred to as "this intolerable and persistent inequity," remains, as of the date of the report. Oak Park is the home of two high schools: Oak Park and River Forest High School, the sole school in educational District 200, which also serves the entire city, and Fenwick High School. Oak Park and River Forest High School is a public school with its district