Firstly visit your personal page, and then My Settings. Once you're on the page My Settings, scroll down to bottom and you will see a section called Unregister. Click the link titled 'Click here if you want to remove your profile' and give your reason for wanting to remove your account.
Free sign up for Students
You can login once you have made an account. After logging in, you can apply to the jobs you are interested in and also manage your profile details.
Free Employer Profile
You can login on StudentJob if you have made an account as an employer. Finding the right candidate for you is just a few clicks away.