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Cost & Financial Aid

Annual Tuition

  • Duchesne3,360,000 (2026-27 rate · Upper School)
  • Frassati2,405,000 (2026-27 rate)
  • St. Pius X2,285,000 (2026-27 rate)
  • St. Thomas2,790,000 (2026-27 rate)

Merit Scholarships

  • DuchesneYes ($15,000/yr renewable: Janet Erskine Stuart (Catholic middle-schoolers), Madeleine Sophie Barat (continuing Duchesne 8th), Rose Philippine Duchesne (incoming 9th, other schools))
  • FrassatiNot published (Only need-based aid described)
  • St. Pius XYes (Merit and need-based scholarships via the admissions application; half-tuition for a third concurrently enrolled sibling)
  • 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.)

Need-Based Financial Aid

  • DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)
  • FrassatiYes (28% of students receive aid; FACTS Grant & Aid opens Oct 7, 2026, due Jan 31, 2027; aid decisions independent of admission)
  • St. Pius XYes (~30% receive need-based aid, >40% some aid/scholarship; average award >$7,500. Clarity platform; opens Nov 1 for new families.)
  • St. ThomasYes (~1/3 of students aided; $2.7M+/yr; awards 10-95% of tuition; Blackbaud; deadline Jan 15, 2027; awards mid-March)

Payment Plans

  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly
  • FrassatiAnnual (Jun, 2% discount) · Semi-annual (Jul 1 / Dec 1) · 10 monthly Jul-Apr (FACTS fees apply)
  • St. Pius X1 payment (Jul 1) · 2 payments $11,425 (Jul 1 / Dec 1, +2.5% fee) · 10 monthly $2,285 Jul-Apr (+3% fee)
  • St. ThomasNot Published

Sibling Discount

  • DuchesneNot Published
  • Frassati$3,000 off 2nd student; $9,425 off 3rd (tuition only)
  • St. Pius XHalf tuition for a 3rd concurrently enrolled child
  • St. Thomas$2,000/yr per sibling after the first

Included in Tuition

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

Aid Award Notification

  • Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
  • FrassatiNot Published
  • St. Pius XNot Published
  • St. ThomasNot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$24,050

2026-27 rate

$22,850

2026-27 rate

$27,900

2026-27 rate

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
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 (new students): $350
  • Graduation fee (seniors): $280 (seniors)
  • Athletics fee: $150–$350 (per sport) — optional
  • Learning for Success program: $2,500 (if enrolled in program) — optional
  • Bus transportation: $1,550 — 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
Sibling discountNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)Half tuition for a 3rd concurrently enrolled child$2,000/yr per sibling after the first
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Oct 28, 2026Not postedDec 6, 2026
Required test
ISEE
HSPT or ISEE

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

ISEE
ISEE

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

Application deadlineNot postedNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based + Merit
AP courses20Not postedNot posted21
Enrollment300364655791
Student:Teacher8.1:111:17:19:1
MassNot Published
Weekly

Thursdays, 9:15 AM

Monthly
Monthly
Sports12 sports13 sports14 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.