As per the Louisiana Department of Education and the St. Landry Parish Pupil Progression Policy, students transferring into the St. Landry Parish School System from an unapproved public school, unapproved nonpublic school, or parochial school entering grades 5 or 9, must participate in the state placement test.
As per Louisiana Department of Education and St. Landry Parish Pupil Progression Policy, students transferring into the St. Landry Parish School System from an unapproved public school, unapproved nonpublic school, or LDOE approved home schooling and are entering grades 1, 2, 3, 4, 6, 7, or 8 must participate in the district placement test.
High school students (grades 10, 11, and 12)
from an unapproved public school, unapproved nonpublic school, or LDOE approved home schooling from an unapproved public school, unapproved nonpublic school, or LDOE approved home schooling who are seeking consideration for Carnegie units/credit must take the district placement test for each course in which credit is sought.
Here is a link to district and state placement test applications.