It is not possible to change your position category once you have registered your account.
To register an account in a different position category, go to www.applytoeducation.com, and click Login / Register.
Click on the Register option that appears at the bottom-right corner under the green Login button to create a new account in the position category that you need.
You will be need to register a new username and you will need to complete this new Portfolio as well.
Click here to see a list of positions that fall under each position category.