Lord Murugan is known as the Lord of knowledge, since once Lord Murugan even taught Lord Shiva. The following is a simple mantra which students can chant to help in overcoming hurdles that lie in their education and success.
Om sarvavidhyaya namah ॐ सर्वविध्याया नमः
Om shanmughaya namah ॐ शंमुघाया नमः
Om shambhuputhraya namah ॐ शम्भुपुथ्राया नमः
Chant the above mantra 36 times each, in the morning and in the evening. This is a very simple mantra that can be used to have success in all examinations. It is most suitable for students who are facing examination, so that they are able to recall well and succeed in their examinations.