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Pick up to 4 schools to see them side by side.

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)
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).)
St. Pius XMonthly all-school liturgy (Attendance and participation required of every student, of any faith tradition. Daily prayer opens and closes each school day.)

Religious Tradition

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

Retreats

St. ThomasCamp Aquinas freshman retreat; grade-level retreats; dedicated Director of Retreats. Basilian motto: "Teach me Goodness, Discipline, and Knowledge"
St. Catherine'sNot Published
St. Pius XAnnual class-level retreats; Dominican Four Pillars (Prayer, Study, Community, Preaching); all-school liturgies, daily-open chapel

Service Program

St. Thomas"Champions for Change" — six service experiences annually (service year Jun 1 - May 31)
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)
St. Pius XNot Published

Service Hours Required

St. ThomasNot Published
St. Catherine'sNot Published
St. Pius X100 (100 hours during junior + senior years, with reflection)

Commute from home

	St. Thomas High School	St. Catherine's Montessori	St. Pius X High School
Tuition	$27,900 2026-27 rate	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$22,850 2026-27 rate
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 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 (new students): $350 Graduation fee (seniors): $280 (seniors) Athletics fee: $150–$350 (per sport) — optional Learning for Success program: $2,500 (if enrolled in program) — optional Bus transportation: $1,550 — optional
Sibling discount	$2,000/yr per sibling after the first	10% off for each younger sibling	Half tuition for a 3rd concurrently enrolled child
Lower school on campus	HS only	Yes 14 months–12th (Montessori)	HS only
Open house	Dec 6, 2026	Not posted	Not posted
Required test	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	None	ISEE
Application deadline	Jan 15, 2027	Jan 15, 2027	Not posted
Decision date	Mar 5, 2027	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based	Need-based + Merit
AP courses	21	Not posted	Not posted
Enrollment	791	23	655
Student:Teacher	9:1	14.4:1	7:1
Mass	Monthly	Monthly	Monthly
Sports	12 sports	6 sports	14 sports
Links	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.