The Civil Rights Data Collection (CRDC) is a biennial survey required by the U.S. Department of Education's Office of Civil Rights since 1968. This survey collects data on key education and civil rights issues in our nation's public schools. Using CRDC data, this fact sheet explores and presents the following data for English learner (EL) enrollment in Advanced Placement (AP) and International Baccalaureate (IB) courses for the 2017-18 school year: (1) English Learners as a Percentage of the Population and Advanced Placement Enrollment in Eligible Schools That Do and Do Not Offer Advanced Placement Courses: School Year 2017-18; and (2) English Learners as a Percentage of the Population in Eligible Schools That Do and Do Not Offer International Baccalaureate Courses: School Year 2017-18.