Kudaybergen Kuanovich Zhubanov was born on December 19, 1899 in the village of Akzhar, Temir (nowadays Mugalzhar) district of Aktobe region. He received primary education at the local school opened by his father Kuan Zhubanov and then in "Husayniya" madrasah in Orenburg from 1914 to 1916. In 1928 he graduated from the Leningrad Institute of Living Eastern Languages. From 1929 to 1932 he studied in the postgraduate course of the Institute of Eastern Languages and Institute of Language and Thinking of Academy of Sciences of the USSR in specialties Turkic languages and General Linguistics. K.K. Zhubanov had a perfect knowledge of the following languages: Persian, Arabic, German, Turkish, Mongolian, Georgian, Chuvash, the Komi, the Russian and Turkic languages (according to his own records in biographical particulars).
From 1928 to 1929 he worked at the Kazakh State University in Almaty as a research associate of the Department of Comparative Turkology.
From 1932 and up to his arrest in November, 1937 he was a professor and headed Department of Kazakh.
language and literature of the Kazakh Teacher Training Institute. From 1933 to 1937 he was a member of the Board, Head of the Sector of Methodology, Curricula and Textbooks and the Chairman of Educational and Methodical Council of the National Commissariat of Education of the Kazakh SSR and also the Chairman of the State Terminological Commission of the Kazakh SSR and the editor-in-chief of "Bulletin of Gosterminkom".
From 1936 to 1937 he was the head of the linguistic sector, the member of the Academic Council and the member of Presidium of the Kazakh branch of Academy of Sciences of the USSR and also the editor-in-chief of "The Academy Dictionary of the Kazakh language".
From 1935 to 1937 he was a member of the Scientific Council of the Kazakhstan Institute of National Culture and a member of the All-Union Central Committee of the new (latinized) alphabet.
In 1935 he was elected a member of KAZCEC and a delegate to the XVI All-Russian Congress of Soviets, was awarded the Medal "15th Anniversary of Kazakhstan". On November 19, 1937 he was arrested by the People's Commissariat for Internal Affairs, declared the enemy of the people and according to the decision of "the assize committee" was executed by shooting on February 25, 1938 — on the first day of mass executions of eminent state and public figures of Kazakhstan. On October 3, 1957 he was posthumously rehabilitated for lack of evidence.
The name of K. Zhubanov was assigned to Aktobe State University, one of the largest higher education institutions of the Western Kazakhstan and the whole country. In 1998 in honor of the 100th anniversary since the birth of this outstanding scientist the management of Aktobe University with assistance of regional administration erected a monument — a bust to Kudaybergen Kuanovich Zhubanov, thereby having immortalized the memory of this glorious son of Kazakhstan. The author of the monument is Zhadiger Kenbay. No doubt the monument to K.K. Zhubanov became an ornament not only of the higher education institution, but of the whole regional center as well. Streets of many cities are named after K. Zhubanov.