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Cost & Financial Aid

Annual Tuition

  • St. Thomas2,790,000 (2026-27 rate)
  • Duchesne3,360,000 (2026-27 rate · Upper School)
  • O'Connell910,000 (2025-26 rate (newest published))
  • Incarnate Word2,280,000 (2026-27 rate)

Merit Scholarships

  • St. ThomasYes (Academic Scholarship Program (ISEE-based), Gabel Scholarship (80% tuition, ~2/yr), Basilian Fathers', Principal's/Aquinas scholarships (GPA-renewable). Sibling discount $2,000/yr after first.)
  • DuchesneYes ($15,000/yr renewable: Janet Erskine Stuart (Catholic middle-schoolers), Madeleine Sophie Barat (continuing Duchesne 8th), Rose Philippine Duchesne (incoming 9th, other schools))
  • O'ConnellYes (Merit awards for academic performance + extracurricular involvement; parish/community scholarships; multi-student assistance)
  • Incarnate WordYes (Average merit $5,000. Named: Jeanne de Matel ($8,000 renewable), Bishop McCarthy ($1,500), Bishop Rizzotto ($1,500))

Need-Based Financial Aid

  • St. ThomasYes (~1/3 of students aided; $2.7M+/yr; awards 10-95% of tuition; Blackbaud; deadline Jan 15, 2027; awards mid-March)
  • DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)
  • O'ConnellYes (Guardian Angel Scholarship (needs-based, volunteer component) via FACTS Grant & Aid; TEFA state accounts accepted)
  • Incarnate WordYes (Average aid package $9,000; Blackbaud; apply by Dec 15. Aid recipients complete service hours (Service Study Program). Participates in TEFA.)

Payment Plans

  • St. ThomasNot Published
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly
  • O'ConnellNot Published
  • Incarnate Word1-pay (Jul 1) · 2-pay (Jul 1 / Dec 1) · 10 monthly Jul-Apr (+2% fee)

Sibling Discount

  • St. Thomas$2,000/yr per sibling after the first
  • DuchesneNot Published
  • O'ConnellMulti-student assistance available (amount not published)
  • Incarnate WordNot Published

Aid Award Notification

  • St. ThomasNot Published
  • Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
  • O'ConnellNot Published
  • Incarnate WordNot Published

Included in Tuition

  • St. ThomasLaptop & technology
  • DuchesneNot Published
  • O'ConnellNot Published
  • Incarnate WordNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$33,600

2026-27 rate · Upper School

$9,100

2025-26 rate (newest published)

$22,800

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
  • 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
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Fees listed separately see fees
  • Application fee: $75
  • Registration fee: $350
  • Tuition deposit: $500
  • Freshman fee (orientation camp): $350 (freshmen)
  • Senior fee (graduation + retreat): $300 (seniors)
  • Books:
Sibling discount$2,000/yr per sibling after the firstNot PublishedMulti-student assistance available (amount not published)Not Published
Lower school on campusHS only
Yes

PK3–12

HS onlyHS only
Open houseDec 6, 2026Nov 1, 2026Not postedNov 8, 2026
Required test
ISEE

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

ISEE
In-house placement test
ISEE

Offered on campus: Jan 9, 2027

Application deadlineJan 15, 2027Not postedNot postedDec 14, 2026
Decision dateMar 5, 2027Not postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP courses2120Not posted18
Enrollment79130080248
Student:Teacher9:18.1:14.5:18.3:1
Mass
Monthly
Not Published
Monthly
Monthly
Sports12 sports12 sports13 sports10 sports
Links

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