Education is a lifelong learning process. What is most important today is that students need guidance on the fundamentals of core subjects like Mathematics, Reasoning, Quantitative Aptitude, etc. which are an integral part of any competition. Students can achieve this knowledge by self-study too but to clear competitive exams, they need to know the tricks and shortcuts. It is where guidance and a teacher are required. One should not hesitate to gain knowledge no matter what source it is, it will definitely benefit you.
It is advised that students must, even after the completion of their academics degree, keep on upgrading their knowledge in their subject in order to improve their teaching skills and to remain competitive and contemporary.
I wish you all reach the zenith of success!