The score on statewide student assessments for an English learner student:
(1) Shall not be counted for growth or achievement purposes in the accountability ratings of a public school or public school district if the English learner student has been enrolled in a public school or private school in the United States for less than twelve (12) months; and
(2) Shall be counted for growth purposes only and not for achievement purposes in the accountability ratings of a public school or public school district if the English learner student has been enrolled in a public school or private school in the United States for at least twelve (12) months but not more than twenty-four (24) months.