Klara Pisuljak was born in Požega, where she completed primary and secondary music school with teacher Marija Milinković.

She enrolled in piano studies in 2008 at the Academy of Music in Zagreb, where she completed her graduate studies in 2013 in the class of prof. Srđan Čaldarović. During her education, she attended seminars of recognized Croatian pedagogues: D. Cikojević, Đ. Tikvica, V. Babin and I. Švarc-Grenda.

Throughout her high school and higher education, she participated in international competitions as a soloist, Zlatko Grgošević in Zagreb in 2008 and as part of the chamber ensemble, Davorin Jenko in Belgrade in 2012. As a soloist, she performed at concerts in Požega, Zagreb, Varaždin, Belišće, Vinkovci, Slavnoski Brod, Delnice, Sisak, Poreč, Pučišći and Omiš. Since September 2013, she has been a piano teacher and accompanist.