The student registration page can be found at http://www.your_sms_site.com/registration, ie. if your site is www.schooldistrictsms.com, the registration page is at www.schooldistrictsms.com/registration.
The opening page looks like this - all required fields will be outlined in red. Currently only middle name and province are not required. Any number of additional phone numbers can be added. Based on some of the input on this page, the pages following may be different.