The one who studies English and math with his classmates.
What you want to ask is which is more important, English or math? English and math are both important. English and mathematics are both basic subjects, which are very important for students' study and future development. English is an international language, which is of great help to future international career and communication. Mathematics is the training of logical reasoning and calculation ability, and it is also very important for the development of science, technology, engineering and mathematics.