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

Retreats

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

Service Hours Required

St. Pius X100 (100 hours during junior + senior years, with reflection)
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

Religious Tradition

St. Pius XNot Published
O'ConnellNot Published
St. ThomasBasilian Fathers — founded 1900. The school describes itself as the oldest college-preparatory high school for young men in Texas.

Service Program

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

Theology All Four Years

St. Pius XNot Published
O'ConnellYes (Theology I-IV (4 credits); retreats included in tuition)
St. ThomasNot Published

Commute from home

	St. Pius X High School	O'Connell College Preparatory School	St. Thomas High School
Tuition	$22,850 2026-27 rate	$9,100 2025-26 rate (newest published)	$27,900 2026-27 rate
What's included	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	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
Sibling discount	Half tuition for a 3rd concurrently enrolled child	Multi-student assistance available (amount not published)	$2,000/yr per sibling after the first
Lower school on campus	HS only	HS only	HS only
Open house	Not posted	Not posted	Dec 6, 2026
Required test	ISEE	In-house placement test	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Not posted	Not posted	Jan 15, 2027
Decision date	Not posted	Not posted	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	Not posted	Not posted	21
Enrollment	655	80	791
Student:Teacher	7:1	4.5:1	9:1
Mass	Monthly	Monthly	Monthly
Sports	14 sports	13 sports	12 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.