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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. Catherine'sNot Published
  • O'ConnellNot Published
  • FrassatiRisse Brothers + Lands' End uniforms

Enrollment (federal data)

  • St. ThomasNot Published
  • St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)
  • O'Connell80 (NCES PSS 2023-24. Island campus; 4.5:1 student-teacher ratio.)
  • FrassatiNot Published

Enrollment (school-reported)

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

School Day

  • St. ThomasNot Published
  • St. Catherine's8:00 AM - 3:45 PM (extended care available)
  • O'ConnellClasses 8:00 AM - 3:20 PM
  • FrassatiNot Published

Transportation

  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • St. Catherine'sNot Published
  • O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)
  • FrassatiNot Published

Class Schedule

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

Full Campus

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

Student–Teacher Ratio (federal data)

  • St. ThomasNot Published
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • Frassati12.8:1 (NCES 2023-24: 321 / 25.0 FTE; school reports 11:1)
Commute from home
Tuition
$27,900

2026-27 rate

$20,560

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

$9,100

2025-26 rate (newest published)

$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
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — 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 first10% off for each younger siblingMulti-student assistance available (amount not published)$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseDec 6, 2026Not postedNot postedOct 28, 2026
Required test
ISEE

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

None
In-house placement test
HSPT or ISEE

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

Application deadlineJan 15, 2027Jan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Mar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based
AP courses21Not postedNot postedNot posted
Enrollment7912380364
Student:Teacher9:114.4:14.5:111:1
Mass
Monthly
Monthly
Monthly
Weekly

Thursdays, 9:15 AM

Sports12 sports6 sports13 sports13 sports
Links

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