Study on factors that influence participation of high-school graduates in higher education to find a predictive model for student population size in higher education. Preferred field of study / motivations for further education / motivations for choice of field of study / school subjects in final exam and marks / changes in preferences mentioned during investigation and their causes / educational career / data on transfer from high school to higher education ( HAVO, VWO naar hoger onderwijs ) / school test results ( CITO ) / expected exam marks / expectations regarding finding a job with and without higher education / expectations regarding future income with and without higher education / sufficient information for choices and from whom / costs of higher education and its influence / employment / pupils / detailed data on family background.Background variables: basic characteristics/ residence/ household characteristics/ characteristics of parental family/household/ occupation/employment/ income/capital assets/ education/ religion