In powder blue and gray military uniforms, red kerchiefs, and caps emblazoned with crimson stars, young Chinese students in the southwestern province of Guizhou perform kung fu exercises in their courtyard to stave off the winter cold.
Their small school, Yang Dezhi, is situated in the rural hills of Wenshui town and was established more than a hundred years ago during the final years of the Qing dynasty.
But it has undergone a more recent overhaul.
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Such schools are an extreme example of the "patriotic education" which China's ruling Communist party promotes to boost its legitimacy -- but which critics condemn as little more than brainwashing.
"The Red Army spirit is a real asset for children. It teaches them to be hardworking and thrifty from a young age," said school manager Mu Chunyong, who oversees the 136 pupils in first through fourth grades.
Guizhou province is one of China's poorest, but even there, most families are now able to afford relatively comfortable lives, making it important to remind students of the hardships of the past, he said.
"If you don't instill kids these days with a sense of the evolution of history, the kids won't cherish their current living conditions."
There were more than 200 red army schools as of last year.
Sometimes bearing names of prominent Party elders, they are built in "old revolutionary areas", once cradles of Communist rebellion but still often among the country's poorest areas.
In the 1930s, Yang Dezhi sheltered Red Army soldiers during their epic Long March through remote and hazardous terrain as they fled rival Nationalist forces.
The nearest city, Zunyi, was where Communist China's founding father Mao Zedong first consolidated his power over the future ruling party.
Yang Dezhi's Red Army school credentials came with increased funding, which it used to increase teacher salaries and buy backpacks, clothing and water mugs for the children, among other things.
A "red culture" class was added to the curriculum, in which children learn to sing nationalistic songs with military precision, discuss stories about the early days of the Communist Party, and study local Red Army history.
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