ScotsSec: Scottish secondary school scores
In mlmRev: Examples from Multilevel Modelling Software Review

Description Usage Format Details Source References Examples

Scores attained by 3435 Scottish secondary school students on a standardized test taken at age 16. Both the primary school and the secondary school that the student attended have been recorded.

1	data(ScotsSec)

A data frame with 3435 observations on the following 6 variables.

verbal: The verbal reasoning score on a test taken by the students on entry to secondary school.
attain: The score attained on the standardized test taken at age 16.
primary: A factor indicating the primary school that the student attended.
sex: A factor with levels M and F
social: The student's social class on a numeric scale from low to high social class.
second: A factor indicating the secondary school that the student attended.

These data are an example of cross-classified grouping factors.

http://www.bristol.ac.uk/cmm/learning/mmsoftware/data-rev.html

Paterson, L. (1991). Socio economic status and educational attainment: a multidimensional and multilevel study. Evaluation and Research in Education 5: 97-121.