Sec. 8. "Student with a disability" means an individual who:
(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.