In the context of the demands of the economy at that time,  1  The Third International Math and Science Study is a project of the International Study Center, Lynch School of Education, Boston College. A complete set of TIMSS publications is available on the center’s web site, http://timss.bc.edu/timss1995i/ TIMSSPublications.html.
2  BIS Review 15/2004  a high-school diploma represented the training needed to be successful in most aspects of American enterprise. The economic returns for having a high-school diploma rose and, as a result, high-school enrollment rates climbed.