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Cost & Financial Aid

Annual Tuition

  • St. Peter CTHS1,500,000 (2026-27 rate · most families pay far less after aid)
  • Duchesne3,360,000 (2026-27 rate · Upper School)
  • Frassati2,405,000 (2026-27 rate)

Need-Based Financial Aid

  • St. Peter CTHSYes (95% of students aided (2025-26); approved TEFA provider (state accounts, from 2026-27))
  • 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)

Payment Plans

  • St. Peter CTHSMonthly (10 payments Jul-Apr) · By semester (Jul / Jan) · Annual (Jul)
  • 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)

Merit Scholarships

  • St. Peter CTHSNot Published
  • 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)

Aid Award Notification

  • St. Peter CTHSNot Published
  • Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
  • FrassatiNot Published

Included in Tuition

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

Sibling Discount

  • St. Peter CTHSNot Published
  • DuchesneNot Published
  • Frassati$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Commute from home
Tuition
$15,000

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

$33,600

2026-27 rate · Upper School

$24,050

2026-27 rate

What's included
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
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
Sibling discountNot PublishedNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campusHS only
Yes

PK3–12

HS only
Open houseNot postedNov 1, 2026Oct 28, 2026
Required test
None
ISEE
HSPT or ISEE

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

Application deadlineNot postedNot postedNot posted
Decision dateNot postedNot postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based
AP coursesNot posted20Not posted
Enrollment26300364
Student:TeacherNot Published8.1:111:1
Mass
Monthly
Not Published
Weekly

Thursdays, 9:15 AM

SportsNot posted12 sports13 sports
Links

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