Supplemental Instruction

To find out what courses are supported with Supplemental Instruction, click the Supported Classes button below. To sign up for Supplemental Instruction, click the Tutor Trac button Below.

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Supplemental Instruction (SI)



What is SI?

Supplemental Instruction (SI) incorporates high-touch practice sessions that closely follow the content and lecture material of a course. In SI Sessions, students work collaboratively to practice concepts and problems from lecture. The SI Leader attends each lecture and prepares unique sessions throughout the week that incorporate active learning strategies and collaborative learning techniques

How Can I Attend?

Weekly attendance is not mandatory for SI, but research shows* that when students attend SI sessions regularly, they are less likely to withdraw, receive a D grade, or receive an F grade. Research also shows that SI sessions have the ability to raise a students’ letter grade by up to 0.5 points. To sign up for SI sessions, visit our Tutor Trac information page for instructions or directly log in on Tutor Trac using your Cruz ID gold login.

Summer 2021 Support  Fall 2021 Support
CSE 12-01 BIOL 20A
PHYS 6A-01 CSE 12
CSE 20


*Dawson, Phillip, Jacques van der Meer, Jane Skalicky, and Kym Cowley. “On the Effectiveness of Supplemental Instruction: A Systematic Review of Supplemental Instruction and Peer-Assisted Study Sessions Literature Between 2001 and 2010.” Review of Educational Research 84, no. 4 (December 2014): 609–39.