Quang Uyen Ethnic Minority Boarding Secondary School actively implements activities on preserving ethnic languages in schools.

In particular, competitions on learning about the historical, cultural, geological and biodiversity values ​​of the Non Nuoc Cao Bang Geopark in ethnic languages ​​attracted the attention of many students. Some oustanding actvities orgaized include a quiz in the Tay, Nung and Mong ethnic languages; a contest on introducing the local cultural identity in ethnic languages ​​with topics such as "mèn mén" (a signature dish of the Mong ethnic), the "Pay Tai" custom of the Tay ethnic (a cultural practice that presents the gratitude and filial piety, in which a daughter's family visits her parents at New Year or the mid-7th lunar month), the famous blacksmithing profession in Phuc Sen, etc.