Initially a school for pitmen and smelter workers, it was raised to the status of a mining college by the Westphalian minister Count Hans von Bülow in 1810.

Both institutions remained under joint administration after the annexation of the Kingdom of Hanover by Prussia in 1866, until in 1906 the academy was separated as an autonomous educational establishment directly subordinate to the Prussian government represented by a curator.

[6] Junge Karriere, the career magazine of daily newspaper Handelsblatt conducted a ranking of German universities by interviewing over 51,000 students and graduates as well as over 1000 human resource managers.

[8] The largest group of foreign nationals comes from the People's Republic of China (PRC), making up between 12% and 20% of total students.

[9] [10] [11] Clausthal's reputation in China was further enhanced when former alumnus Wan Gang became the Chinese Minister for Science and Technology in 2007.

[13] In relative terms, TU Clausthal is among the universities with the most alumni on the management boards of German blue chip corporations.

[14] Most recently, this included companies like RWE,[15] ThyssenKrupp,[16] K+S,[17] HeidelbergCement,[18] Aurubis,[19] Eurasian Natural Resources Corporation[20] and Jungheinrich.

The program developed in the rehearsals is presented in a concert at the end of each semester, to which admission is free and where only donations for the band are requested.

The Jazz Combo regularly practices its own literature, mainly blues but also pop songs, right before the Big Band rehearsal.

[23] In September 2021, the Big Band's vocal ensemble was expanded into the Clausthal University of Technology's Rock, Pop and Jazz Choir as a subdivision of the Big Band, after jazz singing teacher Chiara Raimondi left the vocal ensemble.