Saint Thomas Aquinas Regional Catholic High School is a private, Roman Catholic high school in unincorporated Tangipahoa Parish, Louisiana, near Hammond.

It is located in the Roman Catholic Diocese of Baton Rouge.

The school began operations in August 1986 with 35 students.

[5] Saint Thomas Aquinas Regional Catholic athletics competes in the LHSAA.

This Louisiana school-related article is a stub.