A/RES/73/155 Rights of the child providing separate and adequate sanitation facilities that provide privacy and dignity, thereby contributing to achieving equal opportunity and combating exclusion and ensuring school attendance, including for girls as well as for children from low income families, children who become heads of households and girls who are already married or pregnant; 18. Calls upon States to scale up scientifically accurate and age-appropriate comprehensive education, relevant to cultural contexts, that provides adolescent girls and boys and young women and men, in and out of school, consistent with their evolving capacities, and with appropriate direction and guidance from parents and legal guardians, with the best interests of the child as their basic concern, with information on sexual and reproductive health and HIV prevention, gender equality and women’s empowerment, human rights, physical, psychological and pubertal development and power in relationships between women and men, to enable them to build self-esteem and foster informed decision-making, communication and riskreduction skills and to develop respectful relationships, in full partnership with young people, parents, legal guardians, caregivers, educators and health -care providers, in order to, inter alia, enable them to protect themselves from HIV infection and other risks; 19. Reaffirms the right to education on the basis of equal opportunity and non discrimination, and calls upon States to make primary education compulsory, inclusive and available free to all children, ensuring that all children have equal access to education of good quality, 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 by eliminating social, economic and gender disparities in education and ensuring school attendance, in particular for girls, children with disabilities, pregnant adolescent girls, children living in poverty, indigenous children, children of African descent, persons belonging to ethnic or religious minorities and children in vulnerable or marginalized situations; 20. Calls upon States to accelerate efforts to eliminate gender-specific barriers to the equal enjoyment by girls of their right to education, to address gender -based discrimination, negative social norms and gender stereotypes in education systems, including in curricula, textbooks and teaching methodologies, and to fight all forms of violence, including sexual harassment and school-related sexual and gender-based violence, in and out of schools and other educational settings; Right to the enjoyment of the highest attainable standard of health 21. Reaffirms paragraphs 25 to 28 of its resolution 68/147 of 18 December 2013, and calls upon States to take all necessary measures to ensure that the right of the child to the enjoyment of the highest attainable standard of physical and mental health is respected, protected and fulfilled without discrimination of any kind, and that all forms of violence are prevented and addressed, in view of their negative impact on the physical and mental health of the child, including through the enactment and implementation of laws, strategies and policies, gender- and child-responsive budgeting and resource allocation, and adequate investment in health systems, including comprehensive and integrated primary health care and youth-friendly physical and mental health-care services, including in efforts to achieve the Sustainable Development Goals, in particular Goals 3 and 5, as well as in the implementation of the global plan of action to strengthen the role of th e health system within a national multisectoral response to address interpersonal violence, in particular against women and girls, and against children and in the health workforce; 8/17 18-22250