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STEM stands for Science, Technology, Engineering, and Mathematics. It refers to subjects that focus on scientific inquiry, problem-solving, and technical skills, often prioritized in schools for their perceived importance in innovation and careers.
In percentile-based scoring system, students get score based on their percentile: A certain percentage get HD, another get DI/CR and another get PA/NN. For example: 90% percentile get HD, 70% percentile get DI, 50% get CR, 30% get PA and the others get NN. However, in performance-based scoring system, students get score based on their performance. For example: Score 90/100 means A, 80/100 means B, etc, ...