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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

Daily Life

Dress Code

St. John XXIIISue Mills uniforms; red or black logo sweater/vest/cardigan
FrassatiRisse Brothers + Lands' End uniforms
DuchesneNot Published
St. ThomasCollared shirt + khakis + dress shoes; dress days add white button-up, red tie, blue blazer

Student–Teacher Ratio (federal data)

St. John XXIII11.3:1 (NCES 2023-24: 432 / 38.1 FTE)
Frassati12.8:1 (NCES 2023-24: 321 / 25.0 FTE; school reports 11:1)
Duchesne8.1:1 (NCES 2023-24, campus-wide)
St. ThomasNot Published

Class Schedule

St. John XXIIINot Published
FrassatiNot Published
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

Enrollment (federal data)

St. John XXIII432 (NCES PSS 2023-24. Katy campus.)
FrassatiNot Published
Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)
St. ThomasNot Published

Enrollment (school-reported)

St. John XXIIINot Published
Frassati364 (2025-26 Fast Facts; NCES 2023-24: 321 — young, growing school (opened 2013))
DuchesneNot Published
St. Thomas791 (2025-26; no NCES record exists for this school)

Full Campus

St. John XXIIINot Published
FrassatiNot Published
DuchesnePK3–12 (all-girls); Upper School is grades 9–12
St. ThomasNot Published

Transportation

St. John XXIIINot Published
FrassatiNot Published
DuchesneNot Published
St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)

Commute from home

	St. John XXIII College Preparatory	Frassati Catholic High School	Duchesne Academy of the Sacred Heart	St. Thomas High School
Tuition	$22,100 2026-27 rate	$24,050 2026-27 rate	$33,600 2026-27 rate · Upper School	$27,900 2026-27 rate
What's included	Fees listed separately see fees New Student Enrollment Fee: $500 Financial aid application (Clarity): $60 — optional	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 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
Sibling discount	2nd student $17,680 ($4,420 off)	$3,000 off 2nd student; $9,425 off 3rd (tuition only)	Not Published	$2,000/yr per sibling after the first
Lower school on campus	HS only	HS only	Yes PK3–12	HS only
Open house	Not posted	Oct 28, 2026	Nov 1, 2026	Dec 6, 2026
Required test	ISEE	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027	ISEE	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Not posted	Not posted	Not posted	Jan 15, 2027
Decision date	Not posted	Not posted	Not posted	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based	Need-based + Merit	Need-based + Merit
AP courses	Not posted	Not posted	20	21
Enrollment	432	364	300	791
Student:Teacher	11.3:1	11:1	8.1:1	9:1
Mass	Weekly Daily Mass also offered	Weekly Thursdays, 9:15 AM	Not Published	Monthly
Sports	13 sports	13 sports	12 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.