Are Area Education Agencies top-heavy?

In an editorial today, the Des Moines Register asks...

Why would the number of administrators at Iowa's Area Education Agencies grow to 95, nearly four times as many as there were five years ago?

I don't know the answer, but my guess the answer is because of No Child Left Behind.

Iowa's 362 school districts don't have the budgets to employ the necessary math and reading specialists to help districts when they are declared as a school in need of improvement. A math teacher I had in high school retired and became a math specialist for the local AEA. He traveled to school that were deemed in need of improvement around north central Iowa to help them develop building and district plans to improve tests scores.

Since No Child Left Behind is a massive unfunded by the federal government, the state is forced to pick up the cost. In Iowa that means they increased demands of AEA's and paid for it by raising property taxes.