The holder of a single subject teaching credential or a standard secondary teaching credential may, with his or her consent, be assigned by action of the governing board to teach classes in grades 5 to 8, inclusive, in a middle school, if he or she has a minimum of 12 semester units, or six upper division or graduate units, of coursework at an accredited institution in the subject to which he or she is assigned.
Source:
Section 44258.2, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=EDC§ionNum=44258.2..