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CathedralCristo ReyDuchesneFrassatiIncarnate WordO'ConnellSt. AgnesSt. Catherine'sSt. John XXIIISt. Peter CTHSSt. Pius XSt. ThomasStrake Jesuit

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Daily Life

Dress Code

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

Enrollment (federal data)

  • St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)
  • St. ThomasNot Published
  • St. John XXIII432 (NCES PSS 2023-24. Katy campus.)

Class Schedule

  • St. Catherine'sNot Published
  • St. Thomas7:50 AM - 3:10 PM modified block — four 80-minute classes, 35-min advisory, 55-min lunch
  • St. John XXIIINot Published

Enrollment (school-reported)

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

Full Campus

  • St. Catherine's14 months - 12th grade (coed); Adolescent Community gr 7-9; High School gr 10-12 (launched 2017)
  • St. ThomasNot Published
  • St. John XXIIINot Published

School Day

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

Student–Teacher Ratio (federal data)

  • St. Catherine'sNot Published
  • St. ThomasNot Published
  • St. John XXIII11.3:1 (NCES 2023-24: 432 / 38.1 FTE)

Transportation

  • St. Catherine'sNot Published
  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • St. John XXIIINot Published
Commute from home
St. Catherine's Montessori
St. Thomas High School
St. John XXIII College Preparatory
Tuition
$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

$27,900

2026-27 rate

$22,100

2026-27 rate

What's included
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
Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — optional
Sibling discount10% off for each younger sibling$2,000/yr per sibling after the first2nd student $17,680 ($4,420 off)
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNot postedDec 6, 2026Not posted
Required test
None
ISEE

Offered on campus: Nov 14, 2026 · Jan 9, 2027

ISEE
Application deadlineJan 15, 2027Jan 15, 2027Not posted
Decision dateMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot posted21Not posted
Enrollment23791432
Student:Teacher14.4:19:111.3:1
Mass
Monthly
Monthly
Weekly

Daily Mass also offered

Sports6 sports12 sports13 sports
Links
Full profileAdmissions
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Full profileAdmissions

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.