THINK and ESF Enrollment is handled through the Thinking Matters Office. THINK instructors cannot add students to their sections; only the Thinking Matters Office can add students. Students cannot enroll via Axess or Simple Enroll. Enrolling in your Thinking Matters Courses View Enrollment DatesFind out important dates to alter your Thinking Matters and ESF assignment. Request a change to your THINK or ESF assignmentWant to make changes to your future course/section? Or, change your quarter assignment? ContactIssues with enrollment?