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Cost & Financial Aid

Annual Tuition

  • Frassati2,405,000 (2026-27 rate)
  • St. Thomas2,790,000 (2026-27 rate)
  • St. Agnes2,840,000 (2026-27 rate)
  • Duchesne3,360,000 (2026-27 rate · Upper School)

Merit Scholarships

  • FrassatiNot published (Only need-based aid described)
  • 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.)
  • St. AgnesNo (Explicit: aid is need-based only, regardless of talents)
  • DuchesneYes ($15,000/yr renewable: Janet Erskine Stuart (Catholic middle-schoolers), Madeleine Sophie Barat (continuing Duchesne 8th), Rose Philippine Duchesne (incoming 9th, other schools))

Need-Based Financial Aid

  • FrassatiYes (28% of students receive aid; FACTS Grant & Aid opens Oct 7, 2026, due Jan 31, 2027; aid decisions independent of admission)
  • St. ThomasYes (~1/3 of students aided; $2.7M+/yr; awards 10-95% of tuition; Blackbaud; deadline Jan 15, 2027; awards mid-March)
  • St. AgnesYes (~20% of students receive aid; ~$2.95M/yr (2025-26). Blackbaud, school code 14060, $35 fee.)
  • DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)

Payment Plans

  • FrassatiAnnual (Jun, 2% discount) · Semi-annual (Jul 1 / Dec 1) · 10 monthly Jul-Apr (FACTS fees apply)
  • St. ThomasNot Published
  • St. AgnesAnnual (Jul 1) · Semi-annual $13,950 × 2 (Jul 1 / Dec 1) · 10 monthly Jul–Apr (+4% deferral fee)
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly

Included in Tuition

  • FrassatiTechnology fee ($500) · Registration ($300) · Student activities ($400) · Textbooks ($650) (The $24,050 figure is tuition + these $1,850 general fees combined)
  • St. ThomasLaptop & technology
  • St. AgnesNot Published
  • DuchesneNot Published

Sibling Discount

  • Frassati$3,000 off 2nd student; $9,425 off 3rd (tuition only)
  • St. Thomas$2,000/yr per sibling after the first
  • St. AgnesNot Published
  • DuchesneNot Published

Aid Award Notification

  • FrassatiNot Published
  • St. ThomasNot Published
  • St. AgnesNot Published
  • Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
Commute from home
Tuition
$24,050

2026-27 rate

$27,900

2026-27 rate

$28,400

2026-27 rate

$33,600

2026-27 rate · Upper School

What's included
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
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
  • 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 discount$3,000 off 2nd student; $9,425 off 3rd (tuition only)$2,000/yr per sibling after the firstNot PublishedNot Published
Lower school on campusHS onlyHS onlyHS only
Yes

PK3–12

Open houseOct 28, 2026Dec 6, 2026Not postedNov 1, 2026
Required test
HSPT or ISEE

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

ISEE

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

ISEE

Offered on campus: Nov 14, 2026

ISEE
Application deadlineNot postedJan 15, 2027Not postedNot posted
Decision dateNot postedMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based

No merit scholarships

Need-based + Merit
AP coursesNot posted212520
Enrollment364791934300
Student:Teacher11:19:19:18.1:1
Mass
Weekly

Thursdays, 9:15 AM

Monthly
Weekly

Thursdays, 9:10 AM

Not Published
Sports13 sports12 sports12 sports12 sports
Links

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