Percentage of schools without single-sex toilets is the share of schools without separate girls and boys toilets or single-sex educational institutions without toilets. Schools are counted as having toilets if they have a pit latrine, an improved pit latrine, a flush toilet, a pour-flush toilet or a composting toilet

The percentage of schools where there are not enough safe classrooms for instruction to take place (Source: Audrey Chapman (2007) Development of Indicators for Economic, Social and Cultural Rights: The Rights to Education, Participation in Cultural Life and Access to the Benefits of Science: p.145)

The percentage of schools where buildings used by students or teachers are damaged and thus pose a safety risk. Indications that a school building is in a state of disrepair include: a leaky or collapsing roof, broken windows, buckling floors and broken toilets (Source: Audrey Chapman (2007) Development of Indicators for Economic, Social and Cultural Rights: The Rights to Education, Participation in Cultural Life and Access to the Benefits of Science: p.145)