Romansh language the most comprehensive collection of Romansh words, which can also be used in the idioms with the necessary phonetic shifts. The signatories of "Pro Rumantsch" stress that Romansh needs both the idioms and Rumantsch Grischun if it is to improve its chances in today's communication society. In Switzerland, official language use is governed by the "territorial principle": Cantonal law determines which of the four national languages enjoys official status in which part of the territory. Only the federal administration is officially quadrilingual. Romansh is an official language at the federal level, one of the three official languages of the Canton
Romansh language is found only in Samedan, Pontresina, and Ilanz/Schnaus. In 15 municipalities, German is the sole medium of instruction as of 2001, with Romansh being taught as a subject. Outside of areas where Romansh is traditionally spoken, Romansh is not offered as a subject and as of 2001, 17 municipalities within the historical language area of Romansh do not teach Romansh as a subject. On the secondary level, the language of instruction is mainly German, with Romansh as a subject in Romansh-speaking regions. Outside of the traditional Romansh-speaking areas, the capital of Grisons, Chur, runs a bilingual Romansh-German elementary school. On