Question

the principal objective of our booster club is to raise money for new marching band uniforms. which definition best helps readers find the correct meaning of principal in this sentence? first, highest in rank or importance; the head of a school or organization; a sum of money; a rule of action or conduct

Explanation:

In the sentence "The principal objective of our booster club is to raise money for new marching band uniforms", "principal" is used as an adjective meaning "first, highest in rank or importance". It describes the objective. It does not refer to the head of a school, a sum of money, or a rule of action/conduct.

Answer:

first, highest in rank or importance