19thcentury 20thcentury administrationscolaire administratricesscolaires bildungseinrichtung congresses cross-culturalstudies educationalleadership england feminismandeducation femmesenéducation frau führungskraft geschlechterrolle history hochschulbildung internationalervergleich interviews québec(province) québec(province) schooladministrators schoolmanagementandorganization statistics unitedstates womenineducation womeninhighereducation womenschoolprincipals womenschoolsuperintendents