Lesson Summary. Larry P. v. Riles was an important case in determining which children require special attention and which do not. The court found that IQ tests could not be used as a sole indicator and showed the importance of using multiple tools to assess a child’s needs.Click to see full answer. Considering this, what is Diana v State Board of Education?Diana v. California State Board of Education (1970) is a court case in which nine Mexican-American children used Spanish as their primary language. These students were placed in special education programs after receiving assessments that were conducted in English.Also Know, what is Larry P? The “Larry P. case” is a shorthand moniker that refers to a class action lawsuit, supported by the Bay Area Association of Black Psychologists, on behalf of African-American students who are overrepresented in (what were called at that time) Educable Mentally Retarded (EMR) classes in the San Francisco School District. Thereof, can you give an African American an IQ test? The state Department of Education in 1986 banned the use of IQ tests for assessing black students, but the ban did not apply to students from other minority groups. Later, black students seeking access to programs for gifted students were exempted from the tests as well.What is the Larry P law?In summary, it is important to emphasize that the Larry P. court found IQ tests to be racially and culturally biased against African-American students. The Individuals with Disabilities Education Act (IDEA) and California Education Code prohibit the use of discriminatory testing and evaluation materials.