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Daily Life

Enrollment (federal data)

  • St. ThomasNot Published
  • St. Agnes934 (NCES PSS 2023-24 survey year)
  • St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)

Class Schedule

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

Dress Code

  • St. ThomasCollared shirt + khakis + dress shoes; dress days add white button-up, red tie, blue blazer
  • St. AgnesNot Published
  • St. Catherine'sNot Published

Enrollment (school-reported)

  • St. Thomas791 (2025-26; no NCES record exists for this school)
  • St. AgnesNot Published
  • St. Catherine'sNot Published

Full Campus

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

School Day

  • St. ThomasNot Published
  • St. AgnesNot Published
  • St. Catherine's8:00 AM - 3:45 PM (extended care available)

Student–Teacher Ratio (federal data)

  • St. ThomasNot Published
  • St. Agnes12.7:1 (NCES 2023-24: 934 students / 73.8 FTE teachers. Schools count staff differently than NCES FTE.)
  • St. Catherine'sNot Published

Student–Teacher Ratio (school-reported)

  • St. ThomasNot Published
  • St. Agnes9:1
  • St. Catherine'sNot Published

Transportation

  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • St. AgnesNot Published
  • St. Catherine'sNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$28,400

2026-27 rate

$20,560

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

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: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — 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
Sibling discount$2,000/yr per sibling after the firstNot Published10% off for each younger sibling
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

Open houseDec 6, 2026Not postedNot posted
Required test
ISEE

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

ISEE

Offered on campus: Nov 14, 2026

None
Application deadlineJan 15, 2027Not postedJan 15, 2027
Decision dateMar 5, 2027Not postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based

No merit scholarships

Need-based
AP courses2125Not posted
Enrollment79193423
Student:Teacher9:19:114.4:1
Mass
Monthly
Weekly

Thursdays, 9:10 AM

Monthly
Sports12 sports12 sports6 sports
Links

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