This fee registers one family (may be used by any students in your family) for a 0.5 semester self-paced (recorded) class. You're family will have access to the class for nine months. You may increase the quantity ordered to register for more than one self-paced class. Enter notes in the comments section during the checkout process on this page to indicate name(s) of class(es). The options for self-paced (recorded) 7th-12th grade classes are: 1. Exercise & Sports Physiology 2. Biochemistry & Microbiology 3. Embryology & Endocrinology 4. Earth & Space Science 5. Study Skills, Measurement, Lab Reports & Graphing.