On the Performance of Greek Students on Pisa Fields Using Pisa Data: A Comprehensive Analysis

21st century skills are the most important skills for students to acquire at the end of their basic education. The PISA international student test is one of the accepted ways of measuring success in the acquisition of some of these skills. In this article, we first look at the performance of Greek students in mathematics and science. The first question is whether these results are encouraging. The second question is whether STEM education could contribute to their improvement. During the research process, data on the performance of Greek students by year were collected and compiled into tables, from which graphs were then created. This makes it easier to draw valid conclusions about the level of the students. Next, reference is made to the objectives of STEM education so that its full alignment with 21st century skills is evident. The results show that the performance of Greek students in both subjects is consistently low and therefore the acquisition of relevant skills is limited. It is highlighted that STEM education could contribute to the acquisition of the required skills and to better performance in PISA.