You evaluate your grades, and need to be very tolerant, compassionate and intelligent. If possible, talk to your teachers and close friends at school to learn more about how well they do in your academic ethics and class with sec 3 physics tuition.
Know which subjects are best in your son or daughter, and they need more help for the case. It is common for students to experience difficulty with some topics, not for others or others. It can be for different topics, such as lack of interest in these subjects, lack of education standards by subject teachers, subject to a very challenging level of their academic year, or a lot of disruption in their learning environment.