What is Open Enrollment? March 12, 2020 16:03 Updated Follow The period of time during which eligible students can enroll in the school’s health insurance plan. If your school requires you to have insurance, open enrollment does not apply to you. Related articles How do I enroll? Am I eligible to enroll? What is the Premium Cost? What should I do if I have Enrollment login issues? How do I add my spouse and/or children to my insurance?