900 hours of schooling is required by state regulations (traditionally 180, 5 hour days).  For those parents who wish to keep track of credit hours for their high school student, one credit hour = 120 hours of instructional time (150 hours if a lab course like Biology).  Remember to include all interactions and teachable moments with your child.   You may choose a different approach than the traditional one. A daily log or calendar is helpful; don't get bogged down by too much detail. Keep grading system simple. Plan a flexible schedule especially if you are easily distracted.  Major on language arts and math skills in younger years.  Read to your child.  Fit schooling into your family situation. A scrapbook of pictures and mementos of activities, and samples of work can provide a portfolio. Record keeping materials such as grade books are available through home-school suppliers (see Curriculum), as well as office supply retailers.