In September 1957, the Salesian Dom Rómul Piñol, with his brother Cèsar Piñol and his mother Teresa Aresté, installed in La Maurina, which was a neighborhood which was forming on the outskirts of Terrassa, of immigration, very poor, of huts, without services or infrastructures. Then they called it "Barrio de las Latas ". He had to start the educational, church and salesian presence, specifically the Professional School, insistently ruled by former students of the Salesians of Sarrià who were industrialists of Terrassa with social concerns and organizations, such as the Federation of Christians of Catalonia.

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Dom Romulus came to this place, which was then very far from the city, because he found opposition to founding the School in a more central location, although they had already indicated well-located places.

He started up the building body that still exists and that goes from the door that is in front of the Sant LLuis street to the present Reception of the School, and another building lower and perpendicular to the first one, which is still the mechanical workshop.

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The students of the mechanic workshop were the Apprentices of different industries, who, on the initiative of the "AEG"company, grouped them to learn this trade to the Salesians, since each industrialist only had two or three Apprentices and could not teach them. In fact, "AEG" was the one who had more Apprentices.

The "AEG" collaborated in assembling the workshop, giving some machines and counters, which served to work during the day, and a dining table at noon. Dom Romulus bought two more machines, and thus they obtained the official recognition.  The problem was that when there was a lot of work, the boys, when they were fourteen, left the school and started to work.

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Meanwhile, and still living in the house, they suffered the disaster of the stream of September of the year 1962. They fleed through a window and some scales that communicated to the mechanic workshop, they could escape from death, but they lost everything . They received the first aid from the Salesians of Sabadell, and when the communications were restored, they assisted to all the other Salesians, from the Provincial Inspectorial House of Barcelona-Sarrià.

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Once the building was restored, they received the first students of Elementary Education (six, seven and eight years) a total of eighty students, They were walking on foot doing a good walk, and they lived in the School as in a family. The students themselves voluntarily collaborated with the cleaning and order of the School. In short, the DOSA Sports Club was born and the cultural and leisure activities with a lot of tradition in the Salesian school, such as the "theater" and the "Esplai", which at that time was called "Festive Oratory."

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This presence, over the years, has become very important for the number of students, for the variety of offers and for all the educational and evangelistic actions that it carries out. Dom Romulus already said: "It was a tough start. The most ugly pedestals are put on the foundations because they are not seen. "