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Cathedral Cristo Rey Duchesne Frassati Incarnate Word O'Connell St. Agnes St. Catherine's St. John XXIII St. Peter CTHS St. Pius X St. Thomas Strake Jesuit

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Academics College Counseling Athletics Faith & Service Student Life Arts Daily Life Student Support College Outcomes Cost & Financial Aid

Faith & Service

Mass

St. Catherine'sMonthly (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).)
O'ConnellMonthly all-school liturgy (on or off campus) (Day of week not published; handbook includes a bell schedule for 10 a.m. Mass days. All students attend.)
St. ThomasMonthly all-school Mass, plus Holy Days of Obligation (Weekly opportunities for Mass, Confession, Adoration and Rosary in addition)
DuchesneNot Published

Service Program

St. Catherine'sService-learning with 54 partner organizations (Houston Food Bank, Catholic Charities, Houston Zoo); HS community service trips and retreats (no published hour requirement)
O'ConnellNot Published
St. Thomas"Champions for Change" — six service experiences annually (service year Jun 1 - May 31)
DuchesneService Learning Requirement — off-campus volunteering with reflection component; 10,000+ community hours school-wide annually (per-student count not published)

Religious Tradition

St. Catherine'sFounded 1966 by Dominican Sisters; independent Catholic with Dominican charism; Catechesis of the Good Shepherd; HS theology aligned with the Archdiocese
O'ConnellNot Published
St. ThomasBasilian Fathers — founded 1900. The school describes itself as the oldest college-preparatory high school for young men in Texas.
DuchesneNot Published

Retreats

St. Catherine'sNot Published
O'ConnellNot Published
St. ThomasCamp Aquinas freshman retreat; grade-level retreats; dedicated Director of Retreats. Basilian motto: "Teach me Goodness, Discipline, and Knowledge"
DuchesneCampus Ministry (student-led): liturgies, Masses, prayer services, retreats; Five Sacred Heart Goals

Theology All Four Years

St. Catherine'sNot Published
O'ConnellYes (Theology I-IV (4 credits); retreats included in tuition)
St. ThomasNot Published
DuchesneYes (12 credits; World Religions, Bioethics, Justice and Morality)

Service Hours Required

St. Catherine'sNot Published
O'Connell100 (25 hrs/year all students + senior project of 50-100 hrs (graduation requirement). Motto: "Enter to learn, leave to serve.")
St. ThomasNot Published
DuchesneNot Published

Commute from home

	St. Catherine's Montessori	O'Connell College Preparatory School	St. Thomas High School	Duchesne Academy of the Sacred Heart
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$9,100 2025-26 rate (newest published)	$27,900 2026-27 rate	$33,600 2026-27 rate · Upper School
What's included	Fees listed separately see fees Application fee: $150 Tuition deposit: $750 New Student Fee: $850 Facility fee: $800 Program fee: $2,500–$2,750	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional	Included in tuition see list Laptop & technology Charged separately: Application fee: $75 Registration fee: $700 Camp Aquinas (freshman retreat): $650 (freshmen) Class retreat: $325 (returning/transfer students) Books: $550 Athletics fee: $250 (per sport) — optional AP exam: $99 (per course) — optional	Fees listed separately see fees New Student Fee: $1,500 Enrollment deposit: $1,000 Technology fee (Grade 9): $2,600 Textbooks: $350 (approximate, Upper School) Grade 10 College Tour: $500 (grade 10) Graduation fee: $600 (seniors) Class trips: $175–$2,800 — optional AP exams: $100–$200 (per exam) — optional Athletics fee: $150–$300 (per sport) — optional
Sibling discount	10% off for each younger sibling	Multi-student assistance available (amount not published)	$2,000/yr per sibling after the first	Not Published
Lower school on campus	Yes 14 months–12th (Montessori)	HS only	HS only	Yes PK3–12
Open house	Not posted	Not posted	Dec 6, 2026	Nov 1, 2026
Required test	None	In-house placement test	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	ISEE
Application deadline	Jan 15, 2027	Not posted	Jan 15, 2027	Not posted
Decision date	Mar 5, 2027	Not posted	Mar 5, 2027	Not posted
Financial aid	Need-based	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	Not posted	Not posted	21	20
Enrollment	23	80	791	300
Student:Teacher	14.4:1	4.5:1	9:1	8.1:1
Mass	Monthly	Monthly	Monthly	Not Published
Sports	6 sports	13 sports	12 sports	12 sports
Links	Full profile Admissions	Full profile Admissions	Full profile Admissions	Full profile Admissions

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.