California Code, Education Code - EDC § 35706

(a) Within 120 days of the commencement of the first public hearing on the petition, the county committee shall recommend approval or disapproval of a petition to form one or more new districts or for the division of the entire territory of a school district into two or more new or acquiring districts, as the petition may be augmented, or shall approve or disapprove a petition for the transfer of territory, as the petition may be augmented.  The county committee also shall approve or disapprove a petition to form one or more new districts if the conditions of subdivision (b) of Section 35710 are met.

(b) The 120-day period for approving or disapproving a petition pursuant to Section 35709 or 35710 shall commence after certification of an environmental impact report, approval of a negative declaration, or a determination that the project is exempt from the California Environmental Quality Act (Division 13 (commencing with Section 21000) of the Public Resources Code).