Protests by Tibetan students in China over the right to study in their language have spread, according to a rights group and state media.
Thousands marched in Qinghai province on Wednesday, following a peaceful demonstration in Tongren a day earlier.
It follows unconfirmed reports of plans to curb the use of the Tibetan language in classrooms in favour of Chinese.
Qinghai province is home to many ethnic Tibetans and was the scene of anti-Chinese riots in 2008.
Thousands of students, many of them in their early teens, are expressing their desire to continue to study and learn in their native Tibetan, said the London-based Free Tibet.
The campaign group said there were protests in Guolo, Qinghai province on Thursday. However the BBC could not confirm this.
About 2,000 students from four schools demonstrated in Chabcha town in Gonghe on Wednesday, shouting: "We want freedom for Tibetan language", Free Tibet said.
BBC News
