Rights of the child A/RES/70/137 Migrant Workers and Members of Their Families, 38 the Convention on the Rights of Persons with Disabilities, 4 and in other relevant international instruments; 39. Welcomes the attention paid to the right to education of children by the United Nations Educational, Scientific and Cultural Organization, the United Nations Children’s Fund, the Office of the United Nations High Commissioner for Human Rights, the International Labour Organization and all relevant special representatives of the Secretary-General, as well as special procedures mandate holders, including the Special Rapporteur of the Human Rights Council on the right to education, in particular, the human rights treaty bodies and the operational activities of the United Nations system on the issue; 40. Underlines that full access to inclusive and equitable quality education and the promotion of lifelong learning at all levels is an essential precondition for achieving sustainable development and for the full realization of the right to education; 41. Expresses its dismay at the aggravation of attacks on educational institutions, their students and staff, in contravention of international humanitarian law, recognizes the grave impact that such attacks have on the full realization of the right to education, in particular of women and girls, and reiterates its condemnation in the strongest terms of all such attacks; 42. Expresses its deep concern about the persistence of the gender gap in education, which is reflected by the fact that, according to the United Nations Educational, Scientific and Cultural Organization, nearly two thirds of the world’s non-literate adults are women; 43. Notes with concern that child, early and forced marriage disproportionally affects girls who have received little or no formal education and is itself a significant obstacle to educational opportunities for girls and young women, in particular girls who are forced to drop out of school owing to marriage and/or childbirth, recognizing that educational opportunities are directly related to women’s and girls’ empowerment, employment and economic opportunities and to their active participation in economic, social and cultural development, governa nce and decision-making; 44. Notes that evidence has shown that the States that have made the biggest investments in education are those that have achieved the highest gains in national income, economic growth and poverty reduction as well as in human dev elopment outcomes; 45. Also notes that the Oslo Summit on Education for Development, in its declaration of 7 July 2015, decided to establish the International Commission on the Financing of Global Education Opportunities, to be chaired by the United Nations Special Envoy for Global Education, and that the Commission will present its report to the Secretary-General in September 2016; 46. Recognizes that the right of the child to education can be severely hampered as a result of physical, psychological and sexual violence, as well as bullying, both in school and on the way to school, as well as online, which compromises learning outcomes and may lead to school dropout; _______________ 38 Ibid., vol. 2220, No. 39481. 11/16