TIMSS measures trends in mathematics and science achievement at the fourth and eighth grades in participating countries around the world, while also monitoring curricular implementation and identifying promising instructional practices. Conducted on a regular 4-year cycle, TIMSS has assessed mathematics and science in 1995, 1999, 2003, 2007, and…

This data file user's manual documents the procedures used to collect and process high school transcripts for a large sample of the younger cohort (1980 sophomores) in the High School and Beyond survey. The manual provides the user with the technical assistance needed to use the computer file and also discusses the following: (1) sample design for…

Procedures are described that were used to collect and process postsecondary school transcripts for a subsample of members of the younger (i.e. 1980 sophomore) cohort of the High School and Beyond study who attended postsecondary institutions at any time after leaving high school. Five chapters are as follows: (1) introduction (the National Center…