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Daily Life

Transportation

  • DuchesneNot Published
  • St. Peter CTHSSchool transports students to HCC campuses during the school day (home transport not published)
  • St. ThomasNo bus service; CarpooltoSchool partnership; parking garage (permit + fee)
  • O'ConnellPaid van stops in Dickinson and La Marque (mainland commuters)

Class Schedule

  • DuchesneSix-term modular "MOD" schedule — 80-minute classes, 3-4 courses per mod, 29-30 days/mod
  • St. Peter CTHSNot Published
  • St. Thomas7:50 AM - 3:10 PM modified block — four 80-minute classes, 35-min advisory, 55-min lunch
  • O'ConnellNot Published

Enrollment (federal data)

  • Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)
  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • O'Connell80 (NCES PSS 2023-24. Island campus; 4.5:1 student-teacher ratio.)

Enrollment (school-reported)

  • DuchesneNot Published
  • St. Peter CTHS26 (2024-25 (15 freshmen + 11 sophomores), growing one grade/year — first senior class 2026-27. Founded 2022; too new for an NCES record.)
  • St. Thomas791 (2025-26; no NCES record exists for this school)
  • O'ConnellNot Published

Dress Code

  • DuchesneNot Published
  • St. Peter CTHSNot Published
  • St. ThomasCollared shirt + khakis + dress shoes; dress days add white button-up, red tie, blue blazer
  • O'ConnellNot Published

Full Campus

  • DuchesnePK3–12 (all-girls); Upper School is grades 9–12
  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • O'ConnellNot Published

School Day

  • DuchesneNot Published
  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • O'ConnellClasses 8:00 AM - 3:20 PM

Student–Teacher Ratio (federal data)

  • Duchesne8.1:1 (NCES 2023-24, campus-wide)
  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • O'ConnellNot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$15,000

2026-27 rate · most families pay far less after aid

$27,900

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

No itemized fees published.

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
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discountNot PublishedNot Published$2,000/yr per sibling after the firstMulti-student assistance available (amount not published)
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Not postedDec 6, 2026Not posted
Required test
ISEE
None
ISEE

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

In-house placement test
Application deadlineNot postedNot postedJan 15, 2027Not posted
Decision dateNot postedNot postedMar 5, 2027Not posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based + Merit
AP courses20Not posted213
Enrollment3002679180
Student:Teacher8.1:1Not Published9:14.5:1
MassNot Published
Monthly
Monthly
Monthly
Sports12 sportsNot posted12 sports13 sports
Links

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