Secondary Data


Check out the links below for great information on these available secondary data sets.

The National Longitudinal Study of Adolescent to Adult Health (Add Health)

Add Health is a nationally representative, longitudinal study that explores the causes of health and health-related behaviors of adolescents and their outcomes in young adulthood.

Early Childhood Longitudinal Study (ECLS)

ECLS includes four longitudinal studies that examine child development, school readiness, and early school experiences from birth through elementary school. The link provides more information on two studies; ECLS-B (2001 birth cohort) and ECLS-K (1998-99 kindergarten class cohort).

National Longitudinal Survey of Youth (NLSY)

NLSY consists of two nationally representative, longitudinal studies that follow the lives of a sample of American youth born between 1957–64 (79 Cohort) and 1980–84 (97 Cohort).

National Longitudinal Transition Study-2 (NLTS2)

NLTS2 is a nationally representative, longitudinal study designed to explore the experiences of students receiving special education as they moved from secondary school into adult roles.

The Health and Retirement Study (HRS)

HRS is a nationally representative multi-disciplinary longitudinal study of Americans over age 50 to provide data for the study of health and retirement.

Ohio Department of Education (ODE)

ODE provides information annually concerning Ohio’s primary and secondary education, including demographic information, attendance, course information, financial data, and test results.

National Survey of Children’s Health (NSCH)

NSCH is a nationally representative longitudinal study that provides data on multiple, intersecting aspects of children’s lives—including physical and mental health, access to quality health care, and the child’s family, neighborhood, school, and social context.