A/RES/60/231 order to ensure that all the internationally agreed development and poverty eradication goals, including those set out in the United Nations Millennium Declaration,5 are realized within their time framework, reaffirming that investments in children and the realization of their rights are among the most effective ways to eradicate poverty; (b) Taking all necessary measures to ensure the right of the child to the enjoyment of the highest attainable standard of health and developing sustainable health systems and social services, ensuring access to such systems and services without discrimination, paying particular attention to adequate food and nutrition and assigning priority to activities and programmes aimed at preventing addictions, in particular addiction to alcohol and tobacco, and the abuse of narcotic drugs, psychotropic substances and inhalants and by, inter alia, securing appropriate prenatal and post-natal care for mothers; (c) Recognizing the right to education on the basis of equal opportunity and non-discrimination by making primary education compulsory and available free to all children, ensuring that all children have access to education of good quality, as well as making secondary education generally available and accessible to all, in particular through the progressive introduction of free education, bearing in mind that special measures to ensure equal access, including affirmative action, contribute to achieving equal opportunity and combating exclusion; (d) Designing and implementing programmes to provide social services and support to pregnant adolescents and adolescent mothers, in particular by enabling them to continue and complete their education; Violence against children 13. Condemns all forms of violence against children, including physical, mental and sexual violence, torture, child abuse and exploitation, hostage-taking, domestic violence, trafficking in or sale of children and their organs, paedophilia, child prostitution, child pornography and child sex tourism as well as the increasing phenomenon of gang-related violence; 14. Also condemns the abduction of children, in particular extortive abduction and abduction of children in situations of armed conflict, including for the recruitment and use of children in armed conflicts, and urges States to take all appropriate measures to secure their unconditional release, rehabilitation, reintegration and reunification with their families; 15. Urges States: (a) To strengthen efforts to prevent and protect children from all forms of violence through a comprehensive approach; (b) To end impunity for perpetrators of crimes against children, investigate and prosecute all acts of violence and impose appropriate penalties; (c) To protect children from abuse by government officials such as the police, law enforcement authorities and employees and officials in detention centres or welfare institutions; (d) To take measures to protect children from violence or abuse in schools, including sexual abuse and intimidation, maltreatment and bullying, to establish complaint mechanisms that are age- and gender-appropriate and accessible to children and to take measures to eliminate the use of corporal punishment in schools; 4