An initial evaluation must be conducted prior to a student being considered for special education and related services. A re-evaluation may occur no more than once a year unless the parent/guardian/other education rights holder and the school district agree otherwise. A re-evaluation must be conducted at least every three years unless the parent/guardian/other education rights holder and the school district agree in writing that a re-evaluation is not necessary for special education students. A re-evaluation must be conducted whenever the student’s parents/guardians/other education rights holders, teacher or district staff request one subject to the two conditions stated above.^[1]

1. 20 U.S.C. Sec. 1414(a)(2); 34 C.F.R. 300.303; Cal. Ed. Code Sec. 56381(a)(2).[↩]