H.Amdt.689 - Amendment requires the Director of of the Office of National Drug Control Policy to submit to Congress the National Synthetic Drugs Action Strategy outlined in the National Synthetic Drugs Action Plan submitted by the Director in October 2004; conduct a study of State laws with respect to precursor chemical controls; conduct a study of methamphetamine-related activities that are conducted by different Drug Endangered Children programs administered by States; adds to the bill the text of the "National Methamphetamine Information Clearinghouse Act of 2005"; requires the Director of National Drug Control Policy to prepare a report on drug testing in schools; prepare a report on methamphetamine usage in the United States; and prepare a report on performance bonuses at the Office of National Drug Control Policy.