CA Elec Code Section 9503

If more than one argument for or more than one argument against any school measure is submitted to the person conducting the election within the time prescribed, the person conducting the election shall select one of the arguments in favor and one of the arguments against the measure for printing and distribution to the voters. In selecting the arguments, the person conducting the election shall give preference and priority, in the order named, to the arguments of the following:

(a)

The governing board of the district or a member or members of the board.

(b)

The individual voter, or bona fide associations of citizens, or combination of voters and associations, who are the bona fide sponsors or proponents of the measure.

(c)

Bona fide associations of citizens.

(d)

Individual voters who are eligible to vote on the measure.