E/C.12/HND/CO/2 installations, as it could lead to a risk of indoctrination and might be incompatible with the principles set forth in article 13 (1) of the Covenant (art. 13). 56. The Committee recommends that the State party: (a) Redouble its efforts to achieve universality of free primary education and to increase access to preschool education; (b) Take appropriate measures to bring down the school dropout rate, in particular among disadvantaged and marginalized groups; (c) Take all necessary measures to improve the quality of teaching, including by allocating sufficient resources, increasing the number and remuneration of qualified teachers and improving teaching materials and infrastructure; (d) Take the necessary steps to ensure that formal education and any other type of learning activities for children and adolescents are imparted by entities specializing in children’s education, rights and needs, and make sure that all forms of education and training foster active participation in a free society that promotes understanding, tolerance and friendship among nations as well as respect for human rights and fundamental freedoms. D. Other recommendations 57. The Committee recommends that the State party take steps to progressively develop and apply appropriate indicators on the implementation of economic, social and cultural rights in order to facilitate the assessment of progress achieved by the State party in complying with its obligations under the Covenant for various segments of the population. In this connection, the Committee refers the State party to the conceptual and methodological framework for human rights indicators prepared by the Office of the United Nations High Commissioner for Human Rights (HRI/MC/2008/3). 58. The Committee encourages the State party to ratify the Optional Protocol to the Convention on the Elimination of All Forms of Discrimination against Women and the Optional Protocol to the Convention on the Rights of the Child on a communications procedure. 59. The Committee requests the State party to disseminate the present concluding observations broadly among all sectors of Honduran society, in particular among indigenous peoples and Hondurans of African descent, public officials, judicial authorities, legislators, lawyers and civil society organizations, and to inform the Committee, in its next periodic report, on the measures taken to implement the recommendations made herein. The Committee also encourages the State party to include civil society organizations in the national-level discussions to be held prior to the submission of the next report. 60. The Committee requests the State party to submit its third periodic report, prepared in conformity with the reporting guidelines adopted by the Committee in 2008 (E/C.12/2008/2), not later than 30 June 2021 and invites it to submit its common core document in accordance with the harmonized guidelines on reporting under the international human rights treaties (HRI/GEN/2/Rev.6, chap. I). 12 GE.16-11828