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Daily Life

Dress Code

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

Enrollment (school-reported)

  • St. Thomas791 (2025-26; no NCES record exists for this school)
  • St. Peter CTHS26 (2024-25 (15 freshmen + 11 sophomores), growing one grade/year — first senior class 2026-27. Founded 2022; too new for an NCES record.)
  • St. John XXIIINot Published

Transportation

  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • St. Peter CTHSSchool transports students to HCC campuses during the school day (home transport not published)
  • St. John XXIIINot Published

Class Schedule

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

Enrollment (federal data)

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

Student–Teacher Ratio (federal data)

  • St. ThomasNot Published
  • St. Peter CTHSNot Published
  • St. John XXIII11.3:1 (NCES 2023-24: 432 / 38.1 FTE)
Commute from home
Tuition
$27,900

2026-27 rate

$15,000

2026-27 rate · most families pay far less after aid

$22,100

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

No itemized fees published.

Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — optional
Sibling discount$2,000/yr per sibling after the firstNot Published2nd student $17,680 ($4,420 off)
Lower school on campusHS onlyHS onlyHS only
Open houseDec 6, 2026Not postedNot posted
Required test
ISEE

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

None
ISEE
Application deadlineJan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
AP courses21Not postedNot posted
Enrollment79126432
Student:Teacher9:1Not Published11.3:1
Mass
Monthly
Monthly
Weekly

Daily Mass also offered

Sports12 sportsNot posted13 sports
Links

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