Sandra Laleta was born on September 20, 1964 in Zadar. She finished primary and secondary education in Rijeka. Laleta graduated at the Faculty of Law of the University of Rijeka 1988 and in 1989 she started working at the Faculty of Law as an Associate Professor of Work and Social Law. She continued her professional development at the University of Friborg in Switzerland and at the University of Regensburg in Germany.
Since 1997, she has been the editor of the Collected Papers of the Faculty of Law University of Rijeka. Laleta obtained her master's degree in 2003, from the Faculty of Law of at the University of Rijeka with the scientific work "Responsibility for the damage caused by a worker at work and work with third parties (comparison with German, Austrian and European law)".