It is a member of the Houston Area Independent Schools, a group of roughly 50 private, parochial and independent institutions in the Greater Houston area.

In 1982, as the Houston area continued to grow, Lutheran High School was closed and split into two campuses administered by LEAH.

As the need for land grew in order to continue expansion, the decision was made for the school to relocate.

[1] On March 5, 2012, Lutheran South Academy was awarded "Exemplary School" status by Christian Williams and National Lutheran Schools Accreditation Commission, one of seven Lutheran schools to receive the award in the United States, and the first in Texas.

[2] The Lutheran South Academy campus consists of five main buildings.