St. Catherine's Montessori
9821 Timberside Dr, Houston, TX 77025
At a glance
Tuition & Aid
$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753. Offers need-based aid.
Academic Model
AMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships…
Faith Life
Founded 1966 by Dominican Sisters; independent Catholic with Dominican charism; Catechesis of the Good Shepherd; HS theology aligned with the Archdiocese
Athletics
6 sports offered — Grades 4-12; teams as numbers allow.
Sibling Discount
10% off for each younger sibling
Admissions dates
- Sep 14, 2026
Campus Tours begin
Adults-only tours, various days through the fall. Register via the inquiry form.
- Jan 15, 2027
Priority Application Deadline
All documents due Jan 31. Rolling after, as space allows.
- Mar 5, 2027
First-Round Decisions
Emailed.
- Mar 24, 2027
Common Reply Date
Campus Tours begin
Adults-only tours, various days through the fall. Register via the inquiry form.
Priority Application Deadline
All documents due Jan 31. Rolling after, as space allows.
First-Round Decisions
Emailed.
Common Reply Date
Admissions requirements
- No entrance exam requiredNo admission test. Inquiry → adults-only tour → director meeting → application ($150) + records + lesson samples → student classroom visit. 9th graders enter the Adolescent Community (gr 7-9); High School entry is gr 10-12.
Tuition & financial aid
2026-27 rate · 9th grade; grades 10-12: $20,753
- Sibling discount
- 10% off for each younger sibling
Need-based aid
FACTS (Archdiocese form auto-applies to SCM's own program); opens Dec, due Mar. TEFA participant, but may reduce school aid when TEFA funds received.
Merit scholarships
Additional costs
| Item | Amount | When | Notes |
|---|---|---|---|
| Application fee | $150 | One-time | Non-refundable |
| Tuition deposit | $750 | One-time | Non-refundable |
| New Student Fee | $850 | One-time | — |
| Facility fee | $800 | Annual | — |
| Program fee | $2,500–$2,750 | Annual | 9th grade (Adolescent Community) $2,500; High School $2,750 |
Academics
AP courses
Languages
Programs
- AMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships (Houston Methodist, law/design firms), university partnerships (St. Thomas, Texas A&M AgriLife), independent study; graduates build a "body of work"
Athletics
6 sports
League: GHCAA (middle/upper school) + TCSAAL (high school) — not TAPPS
Faith & community
- Affiliation
- Catholic — Independent Catholic (St. Catherine's Montessori, Inc.)
- Mass
- Monthly — School-wide statement (all levels attend monthly); no high-school-specific schedule published. Daily student-led communal prayer; weekly Atrium (Catechesis of the Good Shepherd).
- Religious tradition
- Founded 1966 by Dominican Sisters; independent Catholic with Dominican charism; Catechesis of the Good Shepherd; HS theology aligned with the Archdiocese
- Service program
- Service-learning with 54 partner organizations (Houston Food Bank, Catholic Charities, Houston Zoo); HS community service trips and retreats (no published hour requirement)
School life
Enrollment (federal)
23
Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).
- Class schedule
- 8:00 AM - 3:45 PM (extended care available)
- Campus
- 14 months - 12th grade (coed); Adolescent Community gr 7-9; High School gr 10-12 (launched 2017)
Every fact above is drawn from official school information and carries its own source link and verification date. “Not Published” means we could not verify it from an official source — it does not mean the school doesn't offer it. Always confirm important details directly with the school.