Old Starehian Society, (OSS) The Old Starehian Society (OSS), a Starehe fraternity leading and transforming society, is the alumni association for Starehe Girls' Centre and Starehe Boys’ Centre. Our mission is to strengthen OSS to serve its members, the schools and alumni and to make a clear contribution to transforming the society we live in. Our values include: -Leading by example -Engaging and contributing -Demonstrating private candour, respect and public honour in our interactions -Taking personal responsibility and accountability for our actions -Continuously learning and improving