Romansh language the Schamserberg. In the Surmiran region, it is the main language in the Surses region, but no longer widely spoken in the Albula Valley. In the Upper Engadine valley, it is a habitually spoken language for 30.8% and the language of best command for 13%. However, most children still acquire Romansh through the school system, which has retained Romansh as the primary language of instruction, even though Swiss German is more widely spoken inside the home. In the Lower Engadine, Romansh speakers form the majority in virtually all municipalities, with 60.4% declaring Romansh as their language of best command in
Romansh language around them remained Romansh-speaking longer. The shift to German was caused in particular by the influence of the local German-speaking élites and by German-speaking immigrants from the north, with the lower and rural classes retaining Romansh longer. In addition, beginning around 1270, the German-speaking Walser began settling in sparsely populated or uninhabited areas within the Romansh-speaking heartland. The Walser sometimes expanded into Romansh-speaking areas from their original settlements, which then often became German-speaking, such as Davos, Schanfigg, the Prättigau, Schams, and Valendas, which became German-speaking by the 14th century. In rare cases, these Walser settlements were eventually assimilated by their