Mill may be said either to have written rather little on education or to have written a very great deal. He himself distinguished between a "narrow" and a "wider" sense of education, the former limited to what happens in formal educational settings, the latter embracing all the influences that make us who and what we are. He wrote rather little on the former and a great deal on the latter, ranging from the account of his own education in his "Autobiography" System to his discussion of "ethology" in "System of logic", and his thoughts about the educative effects of political institutions in "Representative government". "Liberty" and "The subjection of women" are tracts on the role of both wider and narrower education in liberating us from the constraints of custom and securing equality between the sexes. They still have much to say to a 21st-century audience. (Contains 18 notes.)