If you need to have a reference form ID # for your records, you can locate this on each form that has been submitted. 

Go to the school needed> dashboard> View details 

Check all three options to show all students.

Click on the student and view reg form.

Go to the bottom of page 1 and the Reg# will be listed on the form. 

If you don't have access to the dashboard cards you can go to student tools>add new student> manage online registrations.