Does accessing to a university depend largely on the social origin? According to some studies carried out at national level, students social origin has a leading influence upon their entry into the university. For some young people, attending a university is indeed an expected destiny (i.e. high executives and professions) while for other young people entering into a faculty (work-- men and farm labourers) is rather, exceptional. Great differences within social and economic categories especially among workmen can be established. Once young people acceed to the University, how are they interested in such or such branch of i instruction? Which is the part played in the choice of education by former school success? This factor does not affect ...