St. Catherine's Montessori
Braeswood / Meyerland area · Southwest Houston
9821 Timberside Dr, Houston, TX 77025Map ↗Established 1966
About this information
$20,560
Tuition
14mo–12th
Grades
16
Enrollment · 10–12
14.4:1
Student–teacher
At a glance
An AMI-accredited Catholic Montessori adolescent program that replaces separate subjects with integrated areas and builds a body of work through independent study and outside experiences.
AMI Montessori Program
An AMI-accredited Catholic Montessori adolescent program, rare at the secondary level.
Integrated Curriculum
Coursework is organized as Integrated Humanities, Sciences, and Mathematics rather than separate subjects.
Body of Work
Independent study and hands-on projects build a body of work instead of a transcript of AP scores.
Internships & University Partners
Internships with Houston Methodist and design and law firms, plus University of St. Thomas and Texas A&M AgriLife partnerships.
Tuition & financial aid
Tuition
$20,560
Estimated First-Year Required Cost
$24,710
Tuition deposit
$750
TEFA (Texas Education Freedom Account)
School aid may be reduced when a family receives TEFA.
Sibling discount
10% off for each younger sibling
Need-based aid
Need-based aid is available; school aid may be reduced when a family receives TEFA funds.
Sources
Source last checked: Nov 10, 2026
Additional & conditional costs
Required and potential costs beyond published tuition
Mandatory freshman fees
Included in estimated first-year required cost
New Student Fee
Facility fee
Annual
Program fee (9th grade)
Annual · High School (grades 10-12) rate is $2,750/yr
Application / pre-admission costs
Not included in estimated first-year cost
Application fee
Non-refundable
Sources
Source last checked: Nov 10, 2026
Admissions
Admissions Timeline
2027–28 cycle- Jan 15, 2027
Priority Application Deadline
- Mar 5, 2027
First-Round Decisions
- Mar 24, 2027
Common Reply Date
What's required
No entrance exam required
Good to know
- Priority consideration
- Priority given, other things equal: siblings, then other Montessori students, then all others; a waiting pool is maintained. Applications after January 15 are considered on a rolling basis.
Visits & Events
Sources
Source last checked: Nov 10, 2026
Academics
AP Courses
7
Dual Credit
OfferedDual credit courses at the University of St. Thomas or Arizona State University, beginning in 10th grade.
Grading
Unweighted
Class Ranking
Not RankedGraduation Requirements
32.0 total creditsWorld Languages
Spanish
Latin
Via independent study & university partnerships
French
Via independent study & university partnerships
American Sign Language
Via independent study & university partnerships
Portuguese
Via independent study & university partnerships
Sources
Source last checked: Nov 3, 2026
College Prep
College Counseling
Director of College Counseling, working with each student, their family and their Guides
The counselor arranges campus visits and attends college fairs and conferences on students’ behalf.
Testing & Test Prep
PSAT practice (sophomore); PSAT/NMSQT (junior); SAT/ACT (junior spring)
SAT/ACT prep begins junior summer with a recommended tutor/study-guide list · SAT/ACT taken junior spring, with option to retake in summer or fall
College Planning
Naviance; published grade-by-grade timeline
Naviance for resume-building and tracking colleges · Fairs include Colleges That Change Lives, Catholic College Night and the NACAC fair · Reach/target/safety list-building taught junior year
College outcomes
100%
College Acceptance
Sources
Source last checked: Nov 9, 2026
Faith & community
Catholic identity
Founded 1966 by Dominican Sisters; independent Catholic with Dominican charism; Catechesis of the Good Shepherd
Mass & prayer
Monthly all-school Mass
Daily student-led prayer · Weekly Atrium (Catechesis of the Good Shepherd)
Service
Service-learning
54 partner organizations (Houston Food Bank, Catholic Charities, Houston Zoo)
International Travel & Mission Trips
A 9th-grade immersive trip to Costa Rica concludes Spanish studies; the Adolescent Community (grades 7–9) takes annual domestic trips tied to humanities themes like civil rights, peace, and immigration; seniors plan an international trip before graduation
Retreats
Community service trips and retreats in the Adolescent Community and High School
Sources
Source last checked: Nov 9, 2026
Athletics
TCSAAL
League / Classification
GHCAA covers the broader middle/upper varsity teams; TCSAAL is the high-school-specific league
6 sports offered
Varsity/interscholastic offerings
Volleyball • Flag Football • Cross Country • Soccer • Basketball • Track & Field
Sources
Source last checked: Nov 3, 2026
Arts
Orchestra / Strings
Beginning & Intermediate Strings Lessons during the school day; Chamber Orchestra (4th-12th, 2+ years experience, violin/viola/cello/bass) after school; Electric Ensemble for electrified instruments
Musical Theater
Upper School Musical Production — part of the Adolescent Community (gr 7-9) Music curriculum
Choir / Vocal
A cappella choir for 7th- through 12th-grade singers, after school Mondays
Sources
Source last checked: Nov 5, 2026
School life
Campus & Setting
Main Campus
Timberside campus, Houston (since 2006) — the school's daily campus for all grades
Japhet Campus (supplemental)
Japhet Campus — a 3-acre land-based learning site in Houston's Greater Fifth Ward, used periodically by the Adolescent Community (gr 7-9)
Gifted to the school in Feb 2019; renovated and expanded in summer 2025. Not a second daily campus — students attend Timberside full-time.
Sources
Source last checked: Nov 9, 2026
Daily Life
School Day
8:00 AM – 3:45 PM (extended care available)
Sources
Source last checked: Nov 10, 2026
Freshman Transition & Success
Getting Started
Goal-Setting Conferences
Individual goal-setting meetings between students, families, and guides — Adolescent Community (gr 7-9) students meet with their guides as the school year begins, and rising sophomores meet individually with High School guides each May to discuss personal and academic goals.
Sources
Source last checked: Nov 9, 2026
About our dataInformation comes from official school sources. Availability reflects what we could verify from published materials.