Cha graduated from Nankai Middle School, Tianjin in 1913 and from Tsinghua College, Peking in 1917. He was a teacher in Tsinghua Middle School Deptament in 1917-1918. He went to the United States in August 1918, and attended Grinnell College, Iowa, 1918-1919, University of Chicago, Chicago, 1919-1920 where he received a Bachelor of Philosophy degree. He attended Teachers’ College, Columbia University, New York, in 1920-1922 and received a Master of Arts degree from Columbia University in June 1921, doing research work in the Department of Educational Administration. He was chairman of the executive committee of the Chinese Students Committee on the Washington Conference.
Cha returned to China in July 1922 and became professor of education in Peking Teachers College (Peking National Normal University since July 1923) in August 1922. He was elected by the Faculty Council as acting dean of studies in May 1923; Lecturer in the Summer School of Nankai University Tianjin in 1923 and Director of the Institute for the Application of Scientific Measurement on Education, under the auspices of the National Association for the Advancement of Education, August in 1923 with Dr. Wm. A. MicOall and Dr. T. T. Liew as lecturers.
In January 1924 Cha was appointed by President Fan Yuan-Lien as Professor of Education and Dean of Studies Association for the Advancement of Education and author of the “Survey Educational Tests” published by the Commercial Press, 1923.