You have to ask Jenny, a moderator, to delete your account.
Be logged in, and go to http://www.hellokids.com/personal-page/jenny-hellokids
Now click the “Send message” button.
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.