The results indicated that entrance examination correlates highly (.80) with school success both for lower and higher year grades. However, correlations between intelligence and school success were relatively low (.54 to .47), and the relationship tended to decrease for a higher grade. Correlations between entrance examination and intelligence were about .50. Partial correlations between intelligence and academic achievement were negligible, while those between entrance examination and achievement were high (.74 to .90). It may be concluded that entrance examination can predict later school success fairly well but the intelligence tests which were used, were inefficient. Common elements between intelligence and school subjects seem to decrease with advancement in school grades.