Educators have only recently started to look into the effects of culture on learning disabilities. If a teacher ignores a student's culturally diverse background, the student will suffer in the class. “The cultural repertoires of students from cultural learning disorder backgrounds have an impact on their learning, school progress, and behavior in the classroom”. These students may then act out and not excel in the classroom and will, therefore, be misdiagnosed: “Overall, the data indicates that there is a persistent concern regarding the misdiagnosis and inappropriate placement of students from diverse backgrounds in special education classes since the 1975”.