Categories of Health Promoting Schools (HPS). As given in the Manual of Health Promoting Schools, there are four levels of accreditation i.e. Bronze, silver, gold and platinum. Each level has its own standard and parameters. The school has to achieve those standards to reach to specific level. Bronze standard builds the foundation for HPS, silver level stands for maintaining and developing HPS, gold standard sustains the HPS and schools in platinum level mentor and support new HPS.