Are all the Hui people at Yujiajia Primary School in Tongzhou, Beijing?

Yes.

According to the official website of Beijing Tongzhou Yujiaiya Primary School, Beijing Tongzhou Yujiaiya Primary School is a primary school specially opened for the Hui ethnic group. It is located in Yujiaiya Hui Village with a strong Islamic atmosphere.

With the guiding ideology of "creating an educational environment suitable for children's development", Jingtong Prefecture Yujiajia Primary School has created a moral education environment, teaching environment, campus cultural environment, etc. suitable for children's development.