中華民國成立之後，朱主要從事文化教育事業。創辦香港隘園學院、香港孔教學院，任院長。曾受聘於香港大學，任哲學文詞教習。又做過香港孔聖會會長。
After the founding of the Republic of China, Zhu was mainly engaged in cultural and educational undertakings. He founded Hong Kong Pass College and Hong Kong Confucius Institute, and served as its president. He was employed by the University of Hong Kong as a professor of philosophy and words. He also served as the president of the Hong Kong Confucian Society.