Is China using new boarding schools to dilute Tibetan identity?

First-grade students, hands folded on their desks, watch a teacher write a brush-like stroke on a blackboard in their Tibetan alphabet. Outside, craggy mountains climb toward the brightest of blue skies. The air is clean and crisp at 2,800 meters (9,100 feet), if a bit thin. The Shangri-La Key Boarding School is an example of bilingual education, Chinese-style. Tibetan activists have a different term for it: forced assimilation. The issue is getting official attention this year, with UN human rights experts and representatives from the US and a handful of other Western governments condemning the system. China has shuttered village…