The Center for Education Reform has made a prodigious effort to account for these charter school closures. All data on school failure is based on self-reported data. According to CER (2002), the most common reasons offered to explain the disbandings of charter schools include: too much financial debt, fiscal or administrative mismanagement, lack of facilities or renewed lease, and, in some cases, poor academic performance which led to district revocation of a charter. Here is a selected view of the data on the Arizona and California populations in 2002:

Self-Reported Reasons for Charter School Failures in Arizona and California, as Reported in 2002