St. Thomas High School
Welcome! Let's begin your son's journey to St. Thomas.
Starting his application is simple, whether he is entering as a freshman or transferring from another school. The process includes two steps, and we will guide you through each step.
Want to see the full picture first? Visit our Apply page for a walkthrough of the application process and requirements.
The Process
Submit the Application
Complete the initial application by providing basic demographic information and paying the application fee. That's all it takes to officially start.
Please use a parent's email address when completing the application. This ensures all admissions updates are sent directly to parents.
Upload Application Documents
Once you submit the application, your son's personalized Admissions Portal opens. There you'll upload required documents and track his application from start to finish — all in one place.
Application due
January 15, 2027
All application documents due
January 31, 2027
Questions? The Office of Admission is here to help — call 713-864-6348 ext. 175 or email admissions@sths.org.
Tip: bookmark this page so you can easily return to your son's portal.