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Cost & Financial Aid

Annual Tuition

  • Frassati2,405,000 (2026-27 rate)
  • St. Thomas2,790,000 (2026-27 rate)
  • Cathedral2,285,000 (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.)
  • CathedralYes (Sts. Peter & Paul (merit), Newman (need + formation), essay-based pillar scholarships. Deadline Jan 23, 2027; FACTS application required for any award.)
  • 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)
  • CathedralYes (Administered through FACTS Grant & Aid. The school reports an endowment restricted to tuition assistance, and states that it works with accepted families on affordability.)
  • DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)

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
  • CathedralNot Published
  • DuchesneNot Published

Payment Plans

  • FrassatiAnnual (Jun, 2% discount) · Semi-annual (Jul 1 / Dec 1) · 10 monthly Jul-Apr (FACTS fees apply)
  • St. ThomasNot Published
  • CathedralNot Published
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly

Sibling Discount

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

Aid Award Notification

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

2026-27 rate

$27,900

2026-27 rate

$22,850

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

No itemized fees published.

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, 2026Nov 7, 2026Nov 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 (or CLT for classical-school students)
ISEE
Application deadlineNot postedJan 15, 2027Jan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP coursesNot posted21Not posted20
Enrollment364791Not Published300
Student:Teacher11:19:1Not Published8.1:1
Mass
Weekly

Thursdays, 9:15 AM

Monthly
Daily
Not Published
Sports13 sports12 sports11 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.