Indiana Code Title 20. Education § 20-35-1-8

(1) is at least three (3) years of age but less than twenty-two (22) years of age;  and

(2) because of physical or mental disability is incapable of being educated properly and efficiently through normal classroom instruction, but who, with the advantage of a special educational program, may be expected to benefit from instruction in surroundings designed to further the educational, social, or economic status of the student.