Human capital stock affects the economic growth by raising the productivity of labour or by improving the ability of the economy to create and absorb innovations. In the scale of the local economy of an academic city, this process can be reinforced by attracting students and researchers to study and work at the local universities. To do this successfully, the city needs not only a high quality academic institutions but also the wider labour market for the educated individuals and – more generally – the ability to attract the creative class to settle down. The article provides the comparative analysis of the ability of the largest Polish cities to attract and absorb human capital. The research is based on the unique dataset coming from nasza-klasa.pl website (allowing users to contact their former class mates). The research concludes with the typology of the Polish cities with respect to the scale of benefits from performing the academic function.