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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. ThomasMonthly all-school Mass, plus Holy Days of Obligation (Weekly opportunities for Mass, Confession, Adoration and Rosary in addition)
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.)
DuchesneNot Published
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).)

Service Program

St. Thomas"Champions for Change" — six service experiences annually (service year Jun 1 - May 31)
O'ConnellNot Published
DuchesneService Learning Requirement — off-campus volunteering with reflection component; 10,000+ community hours school-wide annually (per-student count not published)
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)

Religious Tradition

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

Retreats

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

Theology All Four Years

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

Service Hours Required

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

Commute from home

	St. Thomas High School	O'Connell College Preparatory School	Duchesne Academy of the Sacred Heart	St. Catherine's Montessori
Tuition	$27,900 2026-27 rate	$9,100 2025-26 rate (newest published)	$33,600 2026-27 rate · Upper School	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753
What's included	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 Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — 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	Fees listed separately see fees Application fee: $150 Tuition deposit: $750 New Student Fee: $850 Facility fee: $800 Program fee: $2,500–$2,750
Sibling discount	$2,000/yr per sibling after the first	Multi-student assistance available (amount not published)	Not Published	10% off for each younger sibling
Lower school on campus	HS only	HS only	Yes PK3–12	Yes 14 months–12th (Montessori)
Open house	Dec 6, 2026	Not posted	Nov 1, 2026	Not posted
Required test	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	In-house placement test	ISEE	None
Application deadline	Jan 15, 2027	Not posted	Not posted	Jan 15, 2027
Decision date	Mar 5, 2027	Not posted	Not posted	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit	Need-based
AP courses	21	Not posted	20	Not posted
Enrollment	791	80	300	23
Student:Teacher	9:1	4.5:1	8.1:1	14.4:1
Mass	Monthly	Monthly	Not Published	Monthly
Sports	12 sports	13 sports	12 sports	6 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.