University students staged a sit-in at Berlin's historic City Hall last week, blasting whistles and shouting slogans and holding out until they were dragged away by police. In London, students protested in Parliament Square. And for weeks now in Paris, thousands of striking students have filled the boulevards, marching with signs and banners and chanting "all together!" Europeans are used to seeing students on the streets pushing for radical change, but these young people want to preserve the status quo.
They're protesting government plans to reform their higher-education system plans that in some cases place a...