On February 19, 2025, within the framework of cooperation with Zaporizhzhia National University, students of specialty 014.04 Secondary Education. Mathematics of the Educational and Scientific Institute of Natural and Mathematical Sciences, Informatics and Management attended a guest lecture by Poltavska Evgenia Viktorivna, a certified mathematics teacher at Zaporizhzhia Gymnasium No. 2 named after Lesya Ukrainka (Zaporizhzhya) “Features of certification of teachers of general secondary education”. Certification of teachers of general secondary education is a voluntary procedure for assessing the professional competence of teachers, which provides an opportunity to receive a 20% salary increase and recognition of a high level of pedagogical skills. The lecturer spoke about the main stages of certification, the features of their completion, the advantages of certification, and presented statistical data on the certification of teachers of general secondary education institutions in the regions of Ukraine. After the lecture, there was a lively discussion on the issues of fairness and transparency of the certification procedure, accessibility for teachers, and the practical value of certification. The participants agreed that certification is a useful mechanism for the development of education, but it needs to be improved and taken into account the real working conditions of teachers. We thank the lecturer Poltavska Yevgenia Viktorivna and Manko Natalia Ivanivna, the guarantor of the EPP "Secondary Education (Mathematics)" of the second (master's) level of higher education, Candidate of Physical and Mathematical Sciences, Associate Professor of the Department of Fundamental and Applied Mathematics of Zaporizhia National University for organizing and conducting an interesting and useful event. We hope for further fruitful cooperation!