The educational intentions of the school targeted younger students; the school currently admits children from the age of fifteen months to the age of fourteen years (15 months to 8th grade).

[1] The lower school of St. Stephen's ranges from fifteen months, the orientation program, to twelve years, upper elementary.

The middle school curriculum includes computer skills, creative and factual writing, fine arts, language arts, mathematics, physical fitness, science, social studies, and Spanish.

During the two-year program, the middle school (seventh and eighth graders) go to Mo Ranch, Belize, and Washington D.C. for a five- to six-day period.

In addition, St. Stephen's students take field trips to Jones Hall and other music venues in Houston, Texas.