Current SI Families: If you are a current SI family AND have never used MySI AND are looking to re-register your current SI student(s) for the upcoming school year AND/OR have a non-SI student who wants to apply as a transfer, click HERE.
Current SI Families with a MySI login: If you used MySI to submit a Frosh Application for the Class of 2028 AND are looking to re-register your current SI student(s) for the upcoming school year, please login as usual.
Prospective Transfer Applicants: If you are a prospective SI family AND do not have a MySI account, you will need to create an account to complete the transfer application. Enter your email address and click "Continue". If you previously applied to SI, the system will try to find your information.
NOTE: The MySI login is not associated with other SI online resources such as the SI website, PowerSchool or FACTS.

Login