Maryland Code, Election Law § 8-802

(a)(1)(i) Members of boards of education shall be elected on a nonpartisan basis.

(ii) In a primary election to nominate board of education candidates, any registered voter of the county, regardless of party affiliation or lack of party affiliation, is eligible to vote in those contests for nomination.

(i) file certificates of candidacy;

(ii) be certified to the ballot;

(iii) appear on the ballot;

(iv) be voted on; and

(v) be nominated and elected.