The National Institute of Health has created a number of curriculum supplements. While written primarily for a science class, many lessons can be adapted to a high school psychology course. Below you will find information regarding the supplements from NIH website at http://science-education.nih.gov/customers.nsf/WebPages/CSHome Be sure to check out both the high school AND middle school supplements.
HTML and PDF versions of each supplement are online and accessible to all. Print versions are FREE upon request to educators in the U.S.