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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

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. 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).)
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)

Service Program

O'ConnellNot 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)
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)

Religious Tradition

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

Retreats

O'ConnellNot Published
St. Catherine'sNot Published
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"

Service Hours Required

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

Theology All Four Years

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

Commute from home

	O'Connell College Preparatory School	St. Catherine's Montessori	Frassati Catholic High School	St. Thomas High School
Tuition	$9,100 2025-26 rate (newest published)	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$24,050 2026-27 rate	$27,900 2026-27 rate
What's included	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 Application fee: $150 Tuition deposit: $750 New Student Fee: $850 Facility fee: $800 Program fee: $2,500–$2,750	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
Sibling discount	Multi-student assistance available (amount not published)	10% off for each younger sibling	$3,000 off 2nd student; $9,425 off 3rd (tuition only)	$2,000/yr per sibling after the first
Lower school on campus	HS only	Yes 14 months–12th (Montessori)	HS only	HS only
Open house	Not posted	Not posted	Oct 28, 2026	Dec 6, 2026
Required test	In-house placement test	None	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Not posted	Jan 15, 2027	Not posted	Jan 15, 2027
Decision date	Not posted	Mar 5, 2027	Not posted	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based	Need-based	Need-based + Merit
AP courses	Not posted	Not posted	Not posted	21
Enrollment	80	23	364	791
Student:Teacher	4.5:1	14.4:1	11:1	9:1
Mass	Monthly	Monthly	Weekly Thursdays, 9:15 AM	Monthly
Sports	13 sports	6 sports	13 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.