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Daily Life

Enrollment (federal data)

  • CathedralNot Published
  • O'Connell80 (NCES PSS 2023-24. Island campus; 4.5:1 student-teacher ratio.)
  • St. John XXIII432 (NCES PSS 2023-24. Katy campus.)

Class Schedule

  • CathedralDaily Mass is built into the school day. Terms include a "Candlemas Term," with monthly "Leisure for Culture" long weekends.
  • O'ConnellNot Published
  • St. John XXIIINot Published

Dress Code

  • CathedralNot Published
  • O'ConnellNot Published
  • St. John XXIIISue Mills uniforms; red or black logo sweater/vest/cardigan

School Day

  • CathedralNot Published
  • O'ConnellClasses 8:00 AM - 3:20 PM
  • St. John XXIIINot Published

Student–Teacher Ratio (federal data)

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

Transportation

  • CathedralNot Published
  • O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)
  • St. John XXIIINot Published
Commute from home
Tuition
$22,850

2026-27 rate

$9,100

2025-26 rate (newest published)

$22,100

2026-27 rate

What's included
Fees listed separately

No itemized fees published.

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 Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — optional
Sibling discountNot PublishedMulti-student assistance available (amount not published)2nd student $17,680 ($4,420 off)
Lower school on campusHS onlyHS onlyHS only
Open houseNov 7, 2026Not postedNot posted
Required test
ISEE (or CLT for classical-school students)
In-house placement test
ISEE
Application deadlineJan 15, 2027Not postedNot posted
Decision dateNot postedNot postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot postedNot posted
EnrollmentNot Published80432
Student:TeacherNot Published4.5:111.3:1
Mass
Daily
Monthly
Weekly

Daily Mass also offered

Sports11 sports13 sports13 sports
Links

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