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Daily Life

Enrollment (federal data)

  • St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)
  • FrassatiNot Published
  • O'Connell80 (NCES PSS 2023-24. Island campus; 4.5:1 student-teacher ratio.)
  • Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)

Full Campus

  • St. Catherine's14 months - 12th grade (coed); Adolescent Community gr 7-9; High School gr 10-12 (launched 2017)
  • FrassatiNot Published
  • O'ConnellNot Published
  • DuchesnePK3–12 (all-girls); Upper School is grades 9–12

School Day

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

Student–Teacher Ratio (federal data)

  • St. Catherine'sNot Published
  • Frassati12.8:1 (NCES 2023-24: 321 / 25.0 FTE; school reports 11:1)
  • O'ConnellNot Published
  • Duchesne8.1:1 (NCES 2023-24, campus-wide)

Class Schedule

  • St. Catherine'sNot Published
  • FrassatiNot Published
  • O'ConnellNot Published
  • DuchesneSix-term modular "MOD" schedule — 80-minute classes, 3-4 courses per mod, 29-30 days/mod

Dress Code

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

Enrollment (school-reported)

  • St. Catherine'sNot Published
  • Frassati364 (2025-26 Fast Facts; NCES 2023-24: 321 — young, growing school (opened 2013))
  • O'ConnellNot Published
  • DuchesneNot Published

Transportation

  • St. Catherine'sNot Published
  • FrassatiNot Published
  • O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)
  • DuchesneNot Published
Commute from home
Tuition
$20,560

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

$24,050

2026-27 rate

$9,100

2025-26 rate (newest published)

$33,600

2026-27 rate · Upper School

What's included
Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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
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 Fee: $1,500
  • Enrollment deposit: $1,000
  • Technology fee (Grade 9): $2,600
  • Textbooks: $350 (approximate, Upper School)
  • Grade 10 College Tour: $500 (grade 10)
  • Graduation fee: $600 (seniors)
  • Class trips: $175–$2,800 — optional
  • AP exams: $100–$200 (per exam) — optional
  • Athletics fee: $150–$300 (per sport) — optional
Sibling discount10% off for each younger sibling$3,000 off 2nd student; $9,425 off 3rd (tuition only)Multi-student assistance available (amount not published)Not Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS only
Yes

PK3–12

Open houseNot postedOct 28, 2026Not postedNov 1, 2026
Required test
None
HSPT or ISEE

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

In-house placement test
ISEE
Application deadlineJan 15, 2027Not postedNot postedNot posted
Decision dateMar 5, 2027Not postedNot postedNot posted
Financial aid
Need-based
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot postedNot posted20
Enrollment2336480300
Student:Teacher14.4:111:14.5:18.1:1
Mass
Monthly
Weekly

Thursdays, 9:15 AM

Monthly
Not Published
Sports6 sports13 sports13 sports12 sports
Links

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