St. Thomas High School

Key application & enrollment dates

Typical windows Houston-area families plan around for St. Thomas High School. Independent schools publish exact dates each fall — always confirm with the school’s admissions office.

1. September – November

   Open houses & campus tours

   Most Houston independent schools run fall visit days before the application deadline.

2. August – September

   Application opens

   Online applications open for the following school year, usually with a per-child fee.

3. November – January

   Entrance testing (ISEE / HSPT)

   Register early — Houston test seats fill quickly at the December and January sittings.

4. Early December – mid January

   Application deadline

   Applications, transcripts, teacher recommendations, and test scores are due together.

5. January – early February

   Financial aid deadline

   Submit the aid application (typically Clarity or SSS) plus tax documents by the school's date.

6. January – February

   Parent & student interviews

   Scheduled after the file is complete; both parents are usually asked to attend.

7. Mid – late March

   Decisions released

   Most Houston-area independent schools notify on a common date in March.

8. Late March – April

   Contract & deposit due

   Sign the enrollment contract and pay the deposit by the stated date or the seat is released.