Half on the file cover and half on the seal.
Portfolio belongs to office supplies, which mainly refers to the collection of achievements that students think can prove their learning progress, innovative spirit and knowledge and skills. It can include the scheme, the draft of the intermediate process, the final result, the teacher's evaluation, relevant materials, etc.
In this way, students' learning and progress can be evaluated. Portfolio can be said to record a series of growth "stories" of students in a certain period, and it is an ideal way to evaluate students' progress, efforts, self-reflection ability and their ultimate development level.