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

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AcademicsCollege CounselingAthleticsFaith & ServiceStudent LifeArtsDaily LifeStudent SupportCollege OutcomesCost & Financial Aid

Daily Life

Class Schedule

  • St. Thomas7:50 AM - 3:10 PM modified block — four 80-minute classes, 35-min advisory, 55-min lunch
  • St. John XXIIINot Published
  • CathedralDaily Mass is built into the school day. Terms include a "Candlemas Term," with monthly "Leisure for Culture" long weekends.

Dress Code

  • 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
  • CathedralNot Published

Enrollment (federal data)

  • St. ThomasNot Published
  • St. John XXIII432 (NCES PSS 2023-24. Katy campus.)
  • CathedralNot Published

Enrollment (school-reported)

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

Student–Teacher Ratio (federal data)

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

Transportation

  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • St. John XXIIINot Published
  • CathedralNot Published
Commute from home
St. Thomas High School
St. John XXIII College Preparatory
Cathedral High School
Tuition
$27,900

2026-27 rate

$22,100

2026-27 rate

$22,850

2026-27 rate

What's included
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
Fees listed separately

No itemized fees published.

Sibling discount$2,000/yr per sibling after the first2nd student $17,680 ($4,420 off)Not Published
Lower school on campusHS onlyHS onlyHS only
Open houseDec 6, 2026Not postedNov 7, 2026
Required test
ISEE

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

ISEE
ISEE (or CLT for classical-school students)
Application deadlineJan 15, 2027Not postedJan 15, 2027
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP courses21Not postedNot posted
Enrollment791432Not Published
Student:Teacher9:111.3:1Not Published
Mass
Monthly
Weekly

Daily Mass also offered

Daily
Sports12 sports13 sports11 sports
Links
Full profileAdmissions
Full profileAdmissions
Full profileAdmissions

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