 Among these students 18,959 were identified with intellectual disabilities and 21,245 students with autism.The largest group of students are identified as Specific Learning Disabilities 126,026 students (46.9 percent) and Speech or Language Impairments with 43,542 students (16.2 percent).In December 2009, the Lancaster School District administration reported that 2,060 pupils, or 18.3% of the district's pupils, received special education services.