Some departments allow you to switch within the department. However, to switch departments, you will have to apply at http://jacobsschool.ucsd.edu/academic/academic_undergrad/my_major.shtml the same as everyone else.
Some departments allow you to switch within the department. However, to switch departments, you will have to apply at http://jacobsschool.ucsd.edu/academic/academic_undergrad/my_major.shtml the same as everyone else.