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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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Daily Life

Class Schedule

St. Pius XRotating 8-day block schedule — 4 classes per day Mon/Tue/Wed/Fri; Thursday late start (8:55am) (2024-25 published schedule)
DuchesneSix-term modular "MOD" schedule — 80-minute classes, 3-4 courses per mod, 29-30 days/mod
St. Thomas7:50 AM - 3:10 PM modified block — four 80-minute classes, 35-min advisory, 55-min lunch
O'ConnellNot Published

Enrollment (federal data)

St. Pius X558 (NCES PSS 2023-24 — school reports 655; different years/methods)
Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)
St. ThomasNot Published
O'Connell80 (NCES PSS 2023-24. Island campus; 4.5:1 student-teacher ratio.)

Transportation

St. Pius X3 bus lines ($1,550/yr): Orange (West U/Bellaire/Meyerland), Gray (Spring Branch/Memorial/Katy), Black (Cypress/Tomball/Willowbrook); late run 6:15 M-Th (School-operated bus service.)
DuchesneNot Published
St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)

Enrollment (school-reported)

St. Pius X655
DuchesneNot Published
St. Thomas791 (2025-26; no NCES record exists for this school)
O'ConnellNot Published

Student–Teacher Ratio (federal data)

St. Pius X14:1 (NCES 2023-24: 558 / 39.9 FTE. Schools count staff differently than NCES FTE.)
Duchesne8.1:1 (NCES 2023-24, campus-wide)
St. ThomasNot Published
O'ConnellNot Published

Dress Code

St. Pius XNot Published
DuchesneNot Published
St. ThomasCollared shirt + khakis + dress shoes; dress days add white button-up, red tie, blue blazer
O'ConnellNot Published

Full Campus

St. Pius XNot Published
DuchesnePK3–12 (all-girls); Upper School is grades 9–12
St. ThomasNot Published
O'ConnellNot Published

School Day

St. Pius XNot Published
DuchesneNot Published
St. ThomasNot Published
O'ConnellClasses 8:00 AM - 3:20 PM

Student–Teacher Ratio (school-reported)

St. Pius X7:1
DuchesneNot Published
St. ThomasNot Published
O'ConnellNot Published

Commute from home

	St. Pius X High School	Duchesne Academy of the Sacred Heart	St. Thomas High School	O'Connell College Preparatory School
Tuition	$22,850 2026-27 rate	$33,600 2026-27 rate · Upper School	$27,900 2026-27 rate	$9,100 2025-26 rate (newest published)
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 New Student Fee: $1,500 Enrollment deposit: $1,000 Technology fee (Grade 9): $2,600 Textbooks: $350 (approximate, Upper School) Grade 10 College Tour: $500 (grade 10) Graduation fee: $600 (seniors) Class trips: $175–$2,800 — optional AP exams: $100–$200 (per exam) — optional Athletics fee: $150–$300 (per sport) — 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 Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount	Half tuition for a 3rd concurrently enrolled child	Not Published	$2,000/yr per sibling after the first	Multi-student assistance available (amount not published)
Lower school on campus	HS only	Yes PK3–12	HS only	HS only
Open house	Not posted	Nov 1, 2026	Dec 6, 2026	Not posted
Required test	ISEE	ISEE	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	In-house placement test
Application deadline	Not posted	Not posted	Jan 15, 2027	Not posted
Decision date	Not posted	Not posted	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	Not posted	20	21	3
Enrollment	655	300	791	80
Student:Teacher	7:1	8.1:1	9:1	4.5:1
Mass	Monthly	Not Published	Monthly	Monthly
Sports	14 sports	12 sports	12 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.