3.—(1) The funding authority shall determine in respect of each such school the number of funding units for the school in accordance with Schedule 5.
(2) The funding authority shall determine the amount obtained by multiplying the amount per pupil determined in respect of the relevant authority under paragraph 16 of Schedule 5 by the number of funding units for the school.
(3) In the case of a secondary school in the area of the London Borough of Brent the funding authority shall add to the amount determined under sub-paragraph (2) above an amount which is the additional amount per pupil determined under paragraph 16D of Schedule 5 multiplied by the number of registered pupils at the school on 16th January 1997.