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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

FrassatiWeekly — Thursdays, 9:15 AM (All-School Mass) (Plus monthly Eucharistic Adoration, scaling from a short prayer in 9th grade to a full Holy Hour by senior year)
St. ThomasMonthly all-school Mass, plus Holy Days of Obligation (Weekly opportunities for Mass, Confession, Adoration and Rosary in addition)
CathedralDaily — Mass for the whole school every day (Anglican-patrimony liturgy; regular Evensong and Lessons & Carols alongside.)
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.)

Retreats

FrassatiYearly class retreats; weekly All-School Mass (Thu 9:15); monthly Eucharistic Adoration scaling to a full senior Holy Hour; Italy pilgrimage "In the Footsteps of Pier Giorgio"
St. ThomasCamp Aquinas freshman retreat; grade-level retreats; dedicated Director of Retreats. Basilian motto: "Teach me Goodness, Discipline, and Knowledge"
CathedralFreshman Retreat; Newman Retreat; House system (Benedict, Neri, Barbieri, De Sales)
O'ConnellNot Published

Religious Tradition

FrassatiNot Published
St. ThomasBasilian Fathers — founded 1900. The school describes itself as the oldest college-preparatory high school for young men in Texas.
CathedralPersonal Ordinariate of the Chair of St. Peter (Bishop Lopes) — Anglican-patrimony Catholic liturgy: daily Mass for the whole school, regular Evensong, Lessons & Carols. Open to all students, not only Ordinariate members. Liturgies are held at the Cathedral of Our Lady of Walsingham.
O'ConnellNot Published

Service Program

FrassatiPier Giorgio Service Learning: 9th weekly school-community duty; 10th 10 hrs; 11th 20 hrs (marginalized-serving agencies); 12th 20 hrs with one agency. Counts for 5% of Religion grade.
St. Thomas"Champions for Change" — six service experiences annually (service year Jun 1 - May 31)
CathedralNot Published
O'ConnellNot Published

Daily Mass

FrassatiNot Published
St. ThomasNot Published
CathedralYes — built into the school day for all students
O'ConnellNot Published

Service Hours Required

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

Theology All Four Years

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

Commute from home

	Frassati Catholic High School	St. Thomas High School	Cathedral High School	O'Connell College Preparatory School
Tuition	$24,050 2026-27 rate	$27,900 2026-27 rate	$22,850 2026-27 rate	$9,100 2025-26 rate (newest published)
What's included	Included in tuition see list Technology fee ($500) Registration ($300) Student activities ($400) Textbooks ($650) Charged separately: Application fee: $75–$125 Enrollment deposit (new families): $700 Athletics & Fine Arts fee: $250 (per sport/season) — 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 No itemized fees published.	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount	$3,000 off 2nd student; $9,425 off 3rd (tuition only)	$2,000/yr per sibling after the first	Not Published	Multi-student assistance available (amount not published)
Lower school on campus	HS only	HS only	HS only	HS only
Open house	Oct 28, 2026	Dec 6, 2026	Nov 7, 2026	Not posted
Required test	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	ISEE (or CLT for classical-school students)	In-house placement test
Application deadline	Not posted	Jan 15, 2027	Jan 15, 2027	Not posted
Decision date	Not posted	Mar 5, 2027	Not posted	Not posted
Financial aid	Need-based	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	Not posted	21	Not posted	Not posted
Enrollment	364	791	Not Published	80
Student:Teacher	11:1	9:1	Not Published	4.5:1
Mass	Weekly Thursdays, 9:15 AM	Monthly	Daily	Monthly
Sports	13 sports	12 sports	11 sports	13 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.