As used in this part:
(a) “Affordable rental housing” means a rental housing development, as defined in subdivision (d) of Section 50675.2, with a majority of its rents restricted to levels that are affordable to persons and families of low or moderate income, as defined in Section 50093, but neither definition is restrictive to only projects with five or more units.
(b) “Teacher or school district employee” means any person employed by a unified school district maintaining prekindergarten, transitional kindergarten, and grades 1 to 12, inclusive, an elementary school district maintaining prekindergarten, transitional kindergarten, and grades 1 to 8, inclusive, or a high school district maintaining grades 9 to 12, inclusive, including, but not limited to, certificated and classified staff.