California Code, Education Code - EDC § 44326

(a) Persons holding district intern credentials issued by the commission under Section 44325 to teach in grades 9 to 12, inclusive, or in grades 6 to 8, inclusive, in a departmentalized program, or in departmentalized bilingual classes, shall be authorized to teach in the subject area in which they have met the subject matter requirement.

(b) Persons holding district intern credentials issued by the commission under Section 44325 to teach in kindergarten and grades 1 to 8, inclusive, in a self-contained program or in self-contained bilingual classes and who have met the subject matter requirement shall be authorized to teach in those grades or classes.

(c) Before being assigned to teach special education pupils, persons holding district intern credentials issued by the commission under Section 44325 to teach those pupils shall meet the requirements of subdivision (b).

(d) Each district intern is required to teach with the assistance and guidance of certificated employees selected through a competitive process adopted by the governing board after consultation with the exclusive teacher representative unit or by personnel employed by institutions of higher education to supervise student teachers.

(e) A certificated employee who assists the district intern shall possess valid certification at the same level or of the same type of credential as the district interns they serve.