(l) Improving the safety of girls at, and on the way to and from, school, including by establishing a safe and violence-free environment by improving infrastructure, such as transportation, and providing separate and adequate sanitation facilities, improved lighting, playgrounds and safe environments, and adopting national policies to prohibit, prevent and address violence against children, especially girls, including sexual harassment and bullying and other forms of violence, through measures such as conducting violence prevention activities in schools and communities and establishing and enforcing penalties for violence against girls;