In 1917 he briefly studied at Teachers College, Columbia University in the United States, where he was influenced by the American educator and reformer John Dewey.

When the Second Sino-Japanese War began on July 7, 1937, Chang Po-ling evacuated the entire Nankai system of schools to Changsha, Hunan.

[6][7] On January 29, 1947, the president of the University of California wrote to Chang Po-ling, proposing to award him the degree of honorary doctor of law.

[8] In June 1948, Jiang Zhongzheng nominated Chang Po-ling as the president of the Examination Yuan，The Control Yuan voted to agree.

[10] Due to the regulations of the Ministry of Education in Taiwan at that time, he president of a state university could not hold a part-time job simultaneously.

[10] At the end of the same year, Chang Po-ling left the Nanjing Examinations Institute, citing weakness and the need for rest, and returned to live in Chongqing.

The Kuomintang hoped that Zhang Boyu would leave the mainland for Taiwan or the United States and promised to agree to any conditions.

"[11] After Chang Po-ling refused Chiang Kai-shek's invitation to Taiwan and stayed in mainland China, he began to get a cold shoulder politically.

[19] In 1895, Chang Po-ling married a woman surnamed Ang (安) from Yixingfu (宜兴埠), but she died of pulmonary tuberculosis five days after the wedding.

During the Cultural Revolution, he was persecuted and suffered tremendous mental and physical harm, leading to him being bed-ridden near the end of his life.

He died serving his country in 1937 when the bomber he was piloting crashed in Nanchang, Jiangxi Province while on its way to bomb the Japanese cruiser Izumo[20].

Chang Yuanlong (张元龙) once served as a member of the 11th and 12th National Committee of Chinese People's Political Consultative Conference, Vice-president of All-China Federation of Industry and Commerce, Vice-president of the National People's Committee in Tianjin, and President of All-China Federation of Industry and Commerce in Tianjin.

She also once served as the Vice-secretary of Jiangsu Province's Committee of Chinese People's Political Consultative Conference and as a professor in the School of Life Sciences in Nanjing University.

For over 50 years, my dedication never flinched, but much remains to be done to promote moral values and patriotism as well as nurture talents in science and medicine.

Its development of the manufacturing industry and pursuit of a friendly relationship with the Soviet Union suggest the People's Government is far-sighted and competent.

My dear students, please strive towards that goal.On February 24, 1951, Zhou Enlai (周恩来) went to Tianjin to attend a military meeting by the 20th Corps of the People's Volunteer Army.

[31] On February 27, 1951, upon learning of Chang's death, Chiang Chung-cheng (蔣中正) wrote in his memoir that words could not describe the depth of his sorrow.

On March 31 the same year, organizations such as the Nankai University Taiwanese Student Association and the Chinese Kuomintang Reform Commission held a grand memorial service.

[32][33][34] In contrast to Taiwan's elaborate memorial service for Chang, the Tianjin Nankai Girls' High School conducted a modest ceremony in its hall.

[30] The small memorial service began with Nankai University Professor Situ Yuelan (司徒月兰) playing the piano.

[30] In 1975, the bodies of the couple were cremated, and their ashes were interred in the Beijing residence of their eldest son, Chang Xilu (张希陆).

[36] Currently, Nankai University holds an annual memorial service for Chang on the eve of Ching Ming Festival.

After Chang Po-ling's passing, there was a stark contrast in how he was perceived on both sides of the Taiwan Strait due to his association with the government of the Republic of China.

Conversely, in mainland China, Chang Po-ling's name was once considered taboo prior to the country's reform and opening up.

As political movements unfolded in mainland China, criticism of Chang Po-ling from various sectors of Nankai University grew louder.

Teachers at Nankai University were individually called upon to express their views, and dissenting opinions from former staff members who had collaborated with Chang Po-ling were marginalized.

The assessment of Zhang Boling on both sides of the Taiwan Strait began to align, recognizing him not only as a symbol of Nankai but also as a uniquely successful figure in the realm of modern education in China.

Instead, the university was reduced to a liberal arts and science institution with only nine departments, including mathematics, physics, chemistry, biology, philosophy, Chinese, history, foreign languages, and economics.

[38] In October 2004, three bronze statues of Yan Xiu, Chang Po-ling, and Zhou Enlai were built in the Xiangyu Park in front of Nankai Middle School in Tianjin.

[39] On October 16, 2013, alumni donated two bronze statues of Yan Xiu and Chang Po-ling, which were completed and installed on the campus of Nankai Middle School in Tianjin.