Cathedral School for Boys Cathedral School for Boys Cathedral School for Boys (abbreviated as CSB or merely Cathedral) is a private boys' primary school located on Nob Hill in San Francisco, affiliated with Grace Cathedral. It was founded in 1957 and is notable for its choir, the Grace Cathedral Choir of Men and Boys. In recent years, the school has undergone extensive renovations and additions, most notably, an extension to the main building recently completed. Mayor Gavin Newsom issued a proclamation that declared October 14, 2006 as "Cathedral School for Boys Day". October 14 was the celebration of CSB's 50th Anniversary. In September 1957,
Grace Cathedral, San Francisco Jr. gave a sermon at Grace Cathedral as part of the festival celebrating its completion and consecration. The service took place on the fourth Sunday of Lent. Approximately 5,000 people were present to hear King's sermon. It was the largest gathering at the cathedral for the next 37 years, until the September 11, 2001, memorial service took place. Grace Cathedral has a significant collection of varied works by Jan Henryk De Rosen. Among these are a faux-tile mural behind the Chapel of Grace reredos from 1932, the mural in the Chapel of the Nativity's Adoration from 1946 showing the Holy