Trondheim Cathedral School, Heritage school next to Nidaros Cathedral in Trondheim, Norway.
Trondheim Cathedral School is an upper secondary school and heritage building situated directly next to Nidaros Cathedral in the center of Trondheim, Norway. It consists of two main structures: the older Harsdorff building from 1786 and a later wing designed by Carl J. Moe, completed in 1920.
The school was founded in 1152 alongside Nidaros Cathedral, making it the oldest continuously operating educational institution in Norway. Over the centuries it was rebuilt several times, with the neoclassical Harsdorff building marking the most visible transformation in the 18th century.
The Festival Hall inside the school contains two marble medallion reliefs by the Danish sculptor Bertel Thorvaldsen, placed there in the early 19th century. Their presence shows that the school was once part of a wider European artistic exchange, a connection that visitors can still see firsthand today.
The school sits in the heart of Trondheim, just steps from Nidaros Cathedral, and is easy to reach on foot from most parts of the city center. Since it is still an active school, access to the interior is generally limited, and visits may only be possible at certain times of the year.
Excavations in the schoolyard have uncovered traces of human activity from the pre-Roman Iron Age, including signs of early farming on the site. This means the ground beneath the school has been used by people for far longer than the medieval institution itself.
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