In December 2015, the district administration reported an increase to 368 pupils, or 17.5% of the district's pupils, received special education services, with 39.4% of the identified students having a specific learning disability. In 2013, Milton Area School District administration reported that 342 pupils, or 15.6% of the district's pupils, received special education services, with 43.3% of the identified students having a specific learning disability. In 2012, Milton Area School District reported that 358 pupils or 16% of its pupils received special educations services, with 44% of identified students having a specific learning disability. In December 2009, the District Administration reported that 297 pupils, or 12.8% of the district's pupils, received special education services. Special education services in the Commonwealth are provided to students from ages three years to 21 years old. In the 2010-2011 school year, the total student enrollment was more than 1.78 million students with approximately 275,000 students eligible for special education services. Among these students 18,959 were identified with mental retardation 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).