The school's motto's was "Zelo zelatus sum pro domino deo exercituum," which is Latin for "With zeal I have been zealous for the Lord, God of Hosts".

The second school motto was "Non Licet Nobis Esse Mediocribus" ("It is not permitted for us to be mediocre") and was included on the back side of the shield.

Mount Carmel was in the process of making renovations to its facility and had spent a large quantity of money repairing the air conditioning and plumbing systems in the fall semester of 2007.

The diocese stated it would make up the difference in tuition between Mount Carmel and any other Catholic school to which the students were accepted, for one year.

[8][9] Mount Carmel High School was situated in Southeast Houston just north of Sims Bayou adjacent to Garden Villas.