In the U.S., a Junior is a student in the penultimate (usually third) year and a Senior is a student in the last (usually fourth) year of college, university, or high school.
Student definition: a person formally engaged in learning, especially one enrolled in a school or college; pupil.. See examples of STUDENT used in a sentence.
A student is someone who's learning to do something or who attends a school. At school, there are students and teachers: the job of the teachers is to instruct the students in various subjects and the students' job is to learn.
A student is a person who is studying at a school, college, university, etc. An undergraduate is a student who is studying for their first degree at a university or college.
STUDENT translate: estudante, estudante, estudante [masculine-feminine], aluno/-na [masculine-feminine]. Learn more in the Cambridge English-Portuguese Dictionary.