As part of the American Community Survey (ACS), the U.S. Census Bureau collects information regarding respondents' educational attainment. Educational attainment refers to the highest level of education that all individuals age 25 and older have completed. Response categories include no schooling completed; nursery school, grades 1 through 11; 12th grade but no diploma; regular high school diploma; GED or alternative credential; some college credit, but less than one year of college; one or more years of college credit, no degree; associate's degree; bachelor's degree; master's degree, professional degree beyond bachelor's degree; and doctorate degree. Data from the 2000 Decennial Census is also summarized.