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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)
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)
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

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.
O'ConnellNot Published
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)

Religious Tradition

FrassatiNot 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.
St. Catherine'sFounded 1966 by Dominican Sisters; independent Catholic with Dominican charism; Catechesis of the Good Shepherd; HS theology aligned with the Archdiocese

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"
O'ConnellNot Published
St. ThomasCamp Aquinas freshman retreat; grade-level retreats; dedicated Director of Retreats. Basilian motto: "Teach me Goodness, Discipline, and Knowledge"
St. Catherine'sNot Published

Service Hours Required

FrassatiNot Published
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
St. Catherine'sNot Published

Theology All Four Years

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

Commute from home

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