5. Expenditure to be incurred due to a decline in pupil numbers in—
(a)schools maintained by the authority which were awarded either the highest or the second highest grade in their last inspection under section 5 of the 2005 Act, including those inspected during the funding period; and
(b)academies that have not previously been inspected under section 5 of the 2005 Act and have a predecessor school or schools which were awarded the highest or second highest grade in their last inspection under section 5 of the 2005 Act, including those inspected during the funding period,
where funding is likely to be necessary due to subsequent growth in pupil numbers at such schools before the end of the next three financial years after the funding period.