CRC/C/ERI/CO/3 page 15 vocational training; the insufficient number of trained teachers and available school facilities; and the poor quality of education. The Committee is concerned that considerable challenges still hamper eliminating inequalities which disadvantage children’s access to education, in particular in rural regions and among nomadic groups, and on the basis of ethnicity and sex. Finally, the Committee notes the information given during the dialogue that schools and military camps are separated, but is still concerned over information that secondary school students have to undergo obligatory military training. 67. The Committee recommends that the State party, taking into account its general comment No. 1 (2001) on the aims of education: (a) Ensure that primary education is free and compulsory and take the necessary measures to ensure that all children are enrolled in primary education; (b) Increase public expenditure for education, in particular primary education, with specific attention to improving access and addressing sex, socio-economic, ethnic and regional disparities in the enjoyment of the right to education; (c) Train more teachers, especially female, and improve school facilities, notably water and sanitation, in particular in rural areas and among nomadic groups; (d) Undertake additional efforts to ensure access to adaptable informal education of high quality to vulnerable groups, including street children, orphans, refugee and displaced children, children with disabilities and child domestic workers, inter alia by addressing indirect and hidden costs of school education; (e) Further expand preschool facilities supplied with qualified teachers, make them free of costs and make special attempts to include children from vulnerable and school distant groups at early ages; (f) Ensure that secondary school students do not have to undertake obligatory military training; (g) Strengthen vocational training, including for children who have left school before completion; (h) Include human rights education as part of the curriculum; (i) Seek technical assistance from UNESCO and UNICEF, in particular to improve access to education for girls.