The term "portfolio system" refers to a method of assessing students' work throughout their academic program, rather than relying on traditional exams or tests. In this system, students compile a collection of their best work (a portfolio) that demonstrates what they have learned and can be used as evidence of their achievements. The portfolio system allows for a more comprehensive evaluation of student learning by taking into account various types of assignments, projects, and performances over time. This approach provides a more accurate picture of each student's progress and abilities, and it also encourages students to take greater responsibility for their own learning.