Children of Immigrants Longitudinal Study (CILS) was designed to study the adaptation process of the immigrant second generation which is defined broadly as United States-born children with at least one foreign-born parent or children born abroad but brought at an early age to the United States. The original survey was conducted with large samples of second-generation immigrant children attending the 8th and 9th grades in public and private schools in the metropolitan areas of Miami/Ft. Lauderdale in Florida and San Diego, California.
The Education Longitudinal Study of 2002 (ELS :2002) is designed to monitor the transition of a national sample of young people as they progress from tenth grade through high school and on to post-secondary education and/or the world of work.
As a longitudinal study, ELS: 2002 follows a nationally representative cohort of students from the time they were high school sophomores through the rest of their high school careers.