CRC/C/COL/CO/3 page 16 measures, such as additional support to compensate for hidden costs, in order to combat the pervasive discrimination and social exclusion which affects vulnerable groups, such as children in rural areas, internally displaced, Afro-Colombian and indigenous children; (e) Provide further resources and conduct prior consultations with indigenous communities in order to design and effectively provide them with bilingual and culturally sensitive education; (f) Effectively monitor discrimination against female students who are expelled due to pregnancy and to sanction educational institutions that fail to comply; (g) Compile statistics disaggregated by urban/rural areas, ethnicity and sex in order to monitor the impact of anti-discrimination measures; (h) Provide protection for teachers by including them in the protection scheme of the Ministry of Interior and to investigate and punish cases of teachers who have been murdered; (i) Cease immediately the occupation and usage of schools or the nearby establishment of military bases by State armed forces and further provide training on the principle of distinction and the protection of the civilian population in training of the police and military; (j) Refrain from involving children in any military activities, including study visits to military bases or military events at schools, as such involvement, given the ongoing internal conflict, compromises the humanitarian law principle of distinction of the civilian population and places the children at risk of retaliation by members of illegal armed groups; (k) Invest further resources in incorporating human rights education in school curricula in order to encourage awareness of rights and values which promote a culture of peace; (l) Finally, the Committee recommends that the State party take due account of the recommendations of the Special Rapporteur on the right to education, in her 2003 mission report to the Commission on Human Rights (E/CN.4/2004/45/Add.2). 8. Special protection measures (arts. 22; 30; 38; 39; 40; 37 (b)-(d); and 32-36 of the Convention) Displaced children 78. The Committee takes note of the State party’s intention to increase resources for assistance to internally displaced children, however expresses grave concern of the very high number of children who continue to be displaced annually in Colombia. According to the Office of the United Nations High Commissioner for Refugees (UNHCR), Colombia has the largest internally displaced population in the world, estimated in 2005 according to official figures at 1.7 million people and at more than 3 million according to non-official sources. The Committee shares the concern expressed by the Constitutional Court (T-025 of 2004) over the lack of