Beginning in the 2020-2021 school year, all registration will be online through your student's SIS Parent Portal account.  Current De Soto students, if you need access to parent portal you may email Mrs. Mira directly at or call 636-586-1000 ext 9, for assistance on setting up your SIS Parent Portal.

If you are a new student to De Soto #73, please complete the Quick Registration form to get access.

Once you have that access, you will log in to the SIS Parent Portal to complete the required forms. Directions to assist you can be found on the left hand menu.

If you have any issues during this process, please contact Lisa Mira by either calling 636-586-1000 or by email at

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