Compare Schools

Pick up to 4 schools to see them side by side.

Clear all

4 of 4 selected

Explore by category

Pick a category to see everything these schools publish about it, side by side.

Daily Life

Enrollment (federal data)

  • Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)
  • 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.)

Full Campus

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

School Day

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

Student–Teacher Ratio (federal data)

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

Class Schedule

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

Dress Code

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

Enrollment (school-reported)

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

Transportation

  • DuchesneNot Published
  • St. Catherine'sNot Published
  • FrassatiNot Published
  • O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$20,560

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

$24,050

2026-27 rate

$9,100

2025-26 rate (newest published)

What's included
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
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
Sibling discountNot Published10% off for each younger sibling$3,000 off 2nd student; $9,425 off 3rd (tuition only)Multi-student assistance available (amount not published)
Lower school on campus
Yes

PK3–12

Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNov 1, 2026Not postedOct 28, 2026Not posted
Required test
ISEE
None
HSPT or ISEE

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

In-house placement test
Application deadlineNot postedJan 15, 2027Not postedNot posted
Decision dateNot postedMar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based
Need-based + Merit
AP courses20Not postedNot postedNot posted
Enrollment3002336480
Student:Teacher8.1:114.4:111:14.5:1
MassNot Published
Monthly
Weekly

Thursdays, 9:15 AM

Monthly
Sports12 sports6 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.