Off-balance-sheet classification of many PFI projects lias meant that there have been budgetary incentives for departments to use private finance. The portfolio of current PFI projects across government (as of 31 March 2015) includes 722 PFI projects, of which 171 were carried out by the Department of Education and 125 by the Department of Health1. A current example for the use of PF2 is the Priority Schools Building Programme. Therefore, the aggregator model was introduced, grouping schools into batches to attract both bank debt and capital markets to fund required rebuilding or repair.