Jana Kmiťová studied piano with Melánia Hermanová, composition Jozef Podprocký at the Conservatory in Košice (1990 – 1996) and in study of composition continued at the Academy of Music and Drama in Bratislava in the class of professor Dušan Martinček (1996 – 2001). Between 1999 – 2004 studied at the Universität für Musik und darstellende Kunst in Vienna with Michael Jarrell, study concluded with „Würdigungspreis“.
Jana Kmiťová absolved many composition courses: 1997 - composition-courses in Trstenice, Czech republic with Ivo Medek and Martin Smolka; 1998 - composition course Voix Nouvelles in Abbay de Royaumont in France with Brian Ferneyhough, Johannes Schölhorn and Toshio Hosokawa; 1998 - composition course in Buckow, Germany with Folke Rabe - order of composition for string quartet for the opening concert of the next course; 1999 - composition course in Reichenau, Austria with Michael Jarrell; 2000 - composition course in Domaine Forget, Canada with John Rea and Denis Boulian, included cooperation with the Nouvel Ensemble Moderne; 2002 and 2003 - composition course in Lugano, Swiss with Michael Jarrell, including premiere of the composition Wound for 13 instruments in 2003; 2005 - composition course in Graz, Austria (Beat Furrer) and took part in several international courses, e.g. in Royaumont (France), Reichenau (Austria), Saint-Irenee (Canada). In 2000 and 2002 won a scholarship of japan foundation Nippon-Wien.
In the years 2001, 2003 and 2004 participated on the music festival in Takefu, Japan (2001: premiere of the composition Kamea with ensemble Klangforum Wien, 2003: premiere of the composition Tras, composed for Trio Accanto, 2004: premiere of the 3rd String Quartet with Arditti Quartet). In 2002 participated on the german project „Musik für Ravensbrück“, which included order of composition for soprano, flute, 2 accordions and piano.