If there is one single point on which all or almost all those studying social mobility appear to agree upon, it is that in a modern society access to high-quality education represents an essential factor of social promotion for those belonging to the less fortunate social strata. Consequently, some sort of public intervention is usually considered auspicious to guarantee that all have an adequate access to education, independently from the income level of their family of origin, in order to guarantee a sufficient level of “equality of opportunity”. Equality of opportunity favors upward social mobility and consequently, across time it tends to reduce economic inequality, given that income levels tend to be positively correlated with educational levels.

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