Old Aker Church
Old Aker Church () is a medieval era church located in Oslo, Norway. An active parish, the church is the oldest existing building in Oslo. The church is surrounded by Old Aker Cemetery.
Oslo Cathedral School
Schola Osloensis, known in Norwegian as Oslo katedralskole ("Oslo Cathedral School") and more commonly as "Katta" is a selective upper secondary school located in Oslo, Norway. The school offers the college preparatory "studiespesialisering" (literally: "specialization for studies") of the Norwegian school system. Oslo Cathedral School is one of four schools in Norway which can trace its origins directly to the Middle Ages and is generally regarded as one of the most prestigious schools in Norway. It celebrated its 850-year anniversary in 2003.