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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. John XXIIISue Mills uniforms; red or black logo sweater/vest/cardigan
  • FrassatiRisse Brothers + Lands' End uniforms

Enrollment (school-reported)

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

Student–Teacher Ratio (federal data)

  • St. ThomasNot Published
  • 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)

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
  • FrassatiNot Published

Enrollment (federal data)

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

Transportation

  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • St. John XXIIINot Published
  • FrassatiNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$22,100

2026-27 rate

$24,050

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
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
Sibling discount$2,000/yr per sibling after the first2nd student $17,680 ($4,420 off)$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campusHS onlyHS onlyHS only
Open houseDec 6, 2026Not postedOct 28, 2026
Required test
ISEE

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

ISEE
HSPT or ISEE

Offered on campus: Jan 9, 2027 · Jan 23, 2027

Application deadlineJan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
AP courses21Not postedNot posted
Enrollment791432364
Student:Teacher9:111.3:111:1
Mass
Monthly
Weekly

Daily Mass also offered

Weekly

Thursdays, 9:15 AM

Sports12 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.