Friday, November 21, 2008

Philadelphia Public Schools Gain Market Share, Blames Charters

In the private sector when an enterprise gains customers it's a good thing. Apparently that is not the case in Philadelphia School District, where their chief budget officer says charter schools are costing the district $105 million because 27% of their students were previously home-schooled or educated in a private school. Putting aside the idea that a 5% increase in market share is a bad thing, let's do some math. Stay with me here.

The city's chief budget officers claims charters, because of increased market share, are costing the city an extra $105 million. Charters educate 34,4000 students in the city and receive $320 million in reimbursements (including some state funds) for a total per-pupil expenditure (excluding private money) of $9,302.33.

The city reimburses charters $8,088 for every student in general education and $17,658 for every student in special education. Assuming charters took the same percentage of special education children as traditional public schools (13.2% in Philadelphia), how much should the city be spending on these new charter students?

13.2% of children in special ed. * $17,658 per student = $2,330.86
86.8% of children in regular education * $8,088 per student = $7,020.38
$2,330.86 + $7,020.38 = $9,351.24

So charters are actually getting less than they should. More students, less money, and the city complains?

No comments: