Katarina Kotrla Vidić has been a mathematics and computer science teacher since 2006, when she graduated in Mathematics and Computer Science from Josip Juraj Strossmayer University of Osijek. She has been teaching both subjects since 2007 and is actively involved in a wide range of educational activities within her school and the wider community. In 2025, she was promoted to the title of Excellent Adviser in the subject of Computer Science.

She takes a practical and inclusive approach to teaching, combining clear explanations, visual materials, and interactive tasks to make learning accessible to all students. Her teaching incorporates a variety of web-based tools, educational digital games, and applications. She also fosters interactive and collaborative relationships with her students, enabling her to monitor their progress continuously. She regularly shares her knowledge and experience with colleagues and the wider community.

The Ministry of Science and Education has recognised her contributions to improving the quality of the education system and her outstanding commitment to ensuring high-quality education with awards presented on Teachers’ Day on four occasions: in the 2019/2020, 2022/2023, 2023/2024, and 2024/2025 school years. She is a wife and mother to a daughter.