Data to the left of the bold line was provided by H. Richman to support the value of diploma programs. See http://www.pahomeschoolers.com/newsletter/issue74.htm for complete details of the misinformation. Data to the right of the bold line was purposely omitted by H. Richman because it does NOT support his opinion on diploma programs.
The age of accountability in NC is 16, and 17 in PA. PA experiences the same percentage drop in student population as does NC only it occurs one year later. This difference is due solely to the difference in age accountability, and NOT a diploma program. For the unbiased data from the PA Dept. of Education (in PDF format), click on the link below: http://www.pde.state.pa.us/k12statistics/lib/k12statistics/homed9900/table1.pdf .