California Code, Education Code - EDC § 35514

(1) “Original district” means a school district as it existed before an action to reorganize pursuant to Section 35511 or before an action to lapse a school district pursuant to Section 35780.1.  The boundaries of an “original district” are those of the school district as it existed immediately before the action to reorganize or lapse.

(2) “Former district” means a school district that has been wholly included in another school district, or has had all of its territory made part of two or more other school districts, through any action taken pursuant to Section 35511 or through a lapsation pursuant to Section 35780.1.  The boundaries of a former district are those of the school district as it existed immediately before an action to reorganize or lapse.

(3) “New district” means a school district that is formed from all or portions of one or more other school districts by an action to reorganize taken pursuant to subdivision (a) of Section 35511.  A new district does not exist before such an action.

(4) “Acquiring district” means a school district that has all or portions of one or more other school districts transferred into, or lapsed into, its boundaries pursuant to subdivision (b) of Section 35511 or Section 35780.1.

(5) “Divided district” means a school district that has had a portion of its territory become part of a new school district or transferred into one or more other school districts by an action to reorganize taken pursuant to Section 35511.

(6) “Reorganized district” means a school district that is a “new district,” an “acquiring district,” or a “divided district.”