Any general statement as to whether the secular trend of a society is eugenic or dysgenic depends upon a reliable calibration of the measurement of general intelligence. Richard Lynn set the mean IQ of the United Kingdom at 100 with a standard deviation of 15, and he calculated the mean IQs of...

Tracked educational systems are associated with a greater social inequality in children’s educational achievement. Until now research has assumed that the impact of tracking on the inequality of educational opportunity is independent of other educational institutional features. Using data from...

In this paper we investigate possible differences in student performance depending on the frequency and the type of computer usage both at home and at school of 15-years-old Italian students. Using the PISA 2006 dataset and controlling for a wide range of individual and school characteristics,...

We take a different look at the PISA 2006 data considering time input as one of the main ingredients for scholarly achievement. Across countries there does not exist any clear relationship between total time spent studying (sum of class time, homework time and time spent in private lessons) and...

Since the late 1990s, Spain has played host to a sizeable flow of immigrants who have been absorbed into the compulsory stage of the education system. In this paper, our aim is to assess the impact of that exogenous increase in the number of immigrant students from 2003 to 2009 on grade...

The main research question of this paper is the combined estimation of the effects of educational systems, school composition, track level, and country of origin on the educational achievement of 15-year-old migrant students. We focus specifically on the effects of socioeconomic and ethnic...

The purpose of this paper is to compare the efficiency of the Spanish public and publicly-subsidised private high schools using Data Envelopment Analysis (DEA) fed by the results provided by a hierarchical linear model (HLM) applied to PISA-2006 (Programme for International Students Assessment)...