Sec. 6. (a) "Participating school" refers to a nonpublic school that:
(1) an eligible student is required to pay tuition to attend;
(2) voluntarily agrees to enroll an eligible student;
(3) is accredited by either the state board or a national or regional accreditation agency that is recognized by the state board; and
(4) administers the tests under the statewide assessment program or administers another nationally recognized and norm-referenced assessment of the school's students.
(b) The term does not include a public school in a school corporation where the eligible student has legal settlement under IC 20-26-11.