Supplemental Instruction

Supplemental Instruction (SI) is a FREE service that provides regularly scheduled, out-of-class study sessions.

SI sessions are led by trained students who have previously taken the course and attend every lecture. They are well-informed about what's happening in the course and maintain a strong understanding of the course content. SI Sessions—open to all students in the class—review important course concepts, predict and practice test items, develop test prep strategies, and discuss readings.

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SI Schedule

Find out when and where SI sessions are available for select science, math, and Gen Ed courses

SI Online

Learn how you can connect to our SI Online Zoom sessions for CHEM 151 and MATH 112

Student FAQ

View answers to common student questions about attending THINK TANK SI sessions

Faculty FAQ

Get more information about supporting SI as a University of Arizona faculty member