No, Osee. I'm afraid not.
Fiscal means to do with taxes.
In the UK the fiscal year runs from April 6th to April 5th, to put it at its simplest. That means that you are taxed on receipts and can offset payments during that period, and have to pay taxes on what happens between those dates.
The school year is something else, and in the UK starts in September and ends in July. The normal time to start at a school is thus in September and to end is July.