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 be found: Romansh schools, bilingual schools, and German schools with Romansh as a subject. In the Romansh schools, Romansh is the primary language of instruction during the first 3–6 years of the nine years of compulsory schooling, and German during the last 3–9 years. Due to this, this school type is often called the "so-called Romansh school". In practice, the amount of Romansh schooling varies between half and 4/5 of the compulsory school term, often depending on how many Romansh-speaking teachers are available. This "so-called Romansh school" is found in 82 municipalities of Grisons as of 2001. The bilingual school