IMPORTANT: This is the NEW SERP Download Center.

As of April 6, 2026, you must create a new account (still free!) to use this Download Center. Your account information from the old system cannot be transferred and will soon be deleted.

Need help? Contact info@serpinstitute.org

Click here for more information about this transition.

Unit 3.03 - Is an extended school day the right choice for U.S. students?

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