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Cost & Financial Aid

Annual Tuition

  • St. Peter CTHS1,500,000 (2026-27 rate · most families pay far less after aid)
  • St. John XXIII2,210,000 (2026-27 rate)
  • Duchesne3,360,000 (2026-27 rate · Upper School)

Need-Based Financial Aid

  • St. Peter CTHSYes (95% of students aided (2025-26); approved TEFA provider (state accounts, from 2026-27))
  • St. John XXIIIYes (Clarity ($60 fee); aid families also apply for TEFA (doesn't reduce SJ23 aid) and complete 10-40 volunteer hours)
  • DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)

Payment Plans

  • St. Peter CTHSMonthly (10 payments Jul-Apr) · By semester (Jul / Jan) · Annual (Jul)
  • St. John XXIII1 payment (no fee) · 2 payments (+$100) · 10 payments May-Feb (+$200)
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly

Merit Scholarships

  • St. Peter CTHSNot Published
  • St. John XXIIIYes (SJ23 Merit Scholarship for students demonstrating excellence)
  • DuchesneYes ($15,000/yr renewable: Janet Erskine Stuart (Catholic middle-schoolers), Madeleine Sophie Barat (continuing Duchesne 8th), Rose Philippine Duchesne (incoming 9th, other schools))

Aid Award Notification

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

Sibling Discount

  • St. Peter CTHSNot Published
  • St. John XXIII2nd student $17,680 ($4,420 off)
  • DuchesneNot Published
Commute from home
Tuition
$15,000

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

$22,100

2026-27 rate

$33,600

2026-27 rate · Upper School

What's included
Fees listed separately

No itemized fees published.

Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — 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 discountNot Published2nd student $17,680 ($4,420 off)Not Published
Lower school on campusHS onlyHS only
Yes

PK3–12

Open houseNot postedNot postedNov 1, 2026
Required test
None
ISEE
ISEE
Application deadlineNot postedNot postedNot posted
Decision dateNot postedNot postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted20
Enrollment26432300
Student:TeacherNot Published11.3:18.1:1
Mass
Monthly
Weekly

Daily Mass also offered

Not Published
SportsNot posted13 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.