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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

Enrollment (federal data)

O'Connell80 (NCES PSS 2023-24. Island campus; 4.5:1 student-teacher ratio.)
Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)
St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)

Full Campus

O'ConnellNot Published
DuchesnePK3–12 (all-girls); Upper School is grades 9–12
St. Catherine's14 months - 12th grade (coed); Adolescent Community gr 7-9; High School gr 10-12 (launched 2017)

School Day

O'ConnellClasses 8:00 AM - 3:20 PM
DuchesneNot Published
St. Catherine's8:00 AM - 3:45 PM (extended care available)

Class Schedule

O'ConnellNot Published
DuchesneSix-term modular "MOD" schedule — 80-minute classes, 3-4 courses per mod, 29-30 days/mod
St. Catherine'sNot Published

Student–Teacher Ratio (federal data)

O'ConnellNot Published
Duchesne8.1:1 (NCES 2023-24, campus-wide)
St. Catherine'sNot Published

Transportation

O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)
DuchesneNot Published
St. Catherine'sNot Published

Commute from home

	O'Connell College Preparatory School	Duchesne Academy of the Sacred Heart	St. Catherine's Montessori
Tuition	$9,100 2025-26 rate (newest published)	$33,600 2026-27 rate · Upper School	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753
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 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	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	Multi-student assistance available (amount not published)	Not Published	10% off for each younger sibling
Lower school on campus	HS only	Yes PK3–12	Yes 14 months–12th (Montessori)
Open house	Not posted	Nov 1, 2026	Not posted
Required test	In-house placement test	ISEE	None
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
AP courses	Not posted	20	Not posted
Enrollment	80	300	23
Student:Teacher	4.5:1	8.1:1	14.4:1
Mass	Monthly	Not Published	Monthly
Sports	13 sports	12 sports	6 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.