Academies within the Diocese of Ely Multi-Academy Trust are required to prepare, to submit in May for approval, to regularly review, and to revise annually, a 3-year balanced budget to take effect in the following September.  School improvement priorities are a key driver in the budget-setting process. 
A general overview in relation to each of funding, payments, and compliance is available here:
The latest Master Funding Agreement, and DEMAT Financial Statements may be viewed here: