§ 8. Certification and levy of school tax. The board of education or
the trustees of each school district shall thereupon and on or before
the first day of October in each year, upon the total assessed valuation
of the taxable property within their school district as certified by the
board of assessors in the current year as hereinbefore provided,
compute, ascertain and adopt the tax rate per hundred dollars of
assessed valuation necessary to raise the amount required for said
district for the amount of the budget and for all other necessary
amounts to be raised by taxation as provided by law, and shall certify
said rate and the total amounts to be raised thereby to the supervisor
of the town.