SUMMARY
Language politeness is used by the community by paying attention to the social relations between speakers, listeners, status, and intimacy. Meanwhile, impoliteness of language is an attitude that is contrary to politeness values and has a negative tendency. This study aims to determine the phenomenom of language impoliteness in the educational environment. The method used in study is mixed method. The result of this study show that of the ten impolite words that are often used by students in the educational environment, there are two Sundanese words that have highest percentage, namely “maneh” which often heard by 83% and the word “aing” which is often uttered by 38%. Culpeper impoliteness strategy forms that are often used are positive and negative impoliteness, while the concept of Qur’anic communication that is often violated is the principle of qoulan ma’rufa, qoulan maisura, qoulan layyina, and qoulan karima.