There are three parts to the answer:
If a student does not meet all of the above criteria then the student is not eligible for special education.
The IDEA identifies the following categories of disability
Related services means transportation and such developmental, corrective, and other supportive services as may be required to assist a student with a disability to benefit from Special Education. To receive one or more related services, the student must have a disability, need Special Education, and the related service must be determined to be necessary to benefit from the Special Education. California law uses the term Designated Instructional Services to mean related services. Related services include but are not limited to:
Federal and State law require that school districts ensure a continuum of placements to meet the needs of students with disabilities. The continuum of placements within the district includes instruction in:
Whenever appropriate, students with disabilities will be educated in the general education classes. In addition, whenever possible, they will attend the school they would ordinarily attend.
General Education Classes with Related Services
In addition to general education, related services may be provided to assist students with disabilities to benefit from their general education program. Some examples of related services are language and speech services, adapted physical education, counseling, physical, and occupational therapy.
Special Day Classes
Special Day Classes serve students who, because of their disabilities, cannot participate in general education classes for a majority of the school day. These classes are provided on general education sites. As classes for a majority of the school day. These classes are provided on general education sites. As appropriate, students enrolled in Special Day Classes interact with their general education peers through academics, non-academic and extracurricular activities, academic and extracurricular activities.
The following are the key steps in the process: