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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

DuchesneSix-term modular "MOD" schedule — 80-minute classes, 3-4 courses per mod, 29-30 days/mod
St. Catherine'sNot Published
St. Thomas7:50 AM - 3:10 PM modified block — four 80-minute classes, 35-min advisory, 55-min lunch

Enrollment (federal data)

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).)
St. ThomasNot Published

Full Campus

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)
St. ThomasNot Published

Dress Code

DuchesneNot Published
St. Catherine'sNot Published
St. ThomasCollared shirt + khakis + dress shoes; dress days add white button-up, red tie, blue blazer

Enrollment (school-reported)

DuchesneNot Published
St. Catherine'sNot Published
St. Thomas791 (2025-26; no NCES record exists for this school)

School Day

DuchesneNot Published
St. Catherine's8:00 AM - 3:45 PM (extended care available)
St. ThomasNot Published

Student–Teacher Ratio (federal data)

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

Transportation

DuchesneNot Published
St. Catherine'sNot Published
St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)

Commute from home

	Duchesne Academy of the Sacred Heart	St. Catherine's Montessori	St. Thomas High School
Tuition	$33,600 2026-27 rate · Upper School	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$27,900 2026-27 rate
What's included	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	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	Not Published	10% off for each younger sibling	$2,000/yr per sibling after the first
Lower school on campus	Yes PK3–12	Yes 14 months–12th (Montessori)	HS only
Open house	Nov 1, 2026	Not posted	Dec 6, 2026
Required test	ISEE	None	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Not posted	Jan 15, 2027	Jan 15, 2027
Decision date	Not posted	Mar 5, 2027	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based	Need-based + Merit
AP courses	20	Not posted	21
Enrollment	300	23	791
Student:Teacher	8.1:1	14.4:1	9:1
Mass	Not Published	Monthly	Monthly
Sports	12 sports	6 sports	12 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.