The school is situated in two buildings. The one on Kościuszki Street 18/20 was arising from 1904 till 1910. It was secondary school for girls and boys. And the school was the oldest economic school. The street was called Schulstrasse, which means "school street”. The other building is on Niepodległości Avenue 749. It was founded by abbot Józef Hohenzollern in 1836 as a Catholic School. It was called "prince’s school” because the founder came from the prince family. After Second World War the school was started on 15th April 1945 as a state Trade Secondary school. The name of the school was changed many times, and since 1983 the school has been known as Trade Schools Complex.