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Cost & Financial Aid

Annual Tuition

  • Cathedral2,285,000 (2026-27 rate)
  • Duchesne3,360,000 (2026-27 rate · Upper School)
  • St. Peter CTHS1,500,000 (2026-27 rate · most families pay far less after aid)

Need-Based Financial Aid

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

Merit Scholarships

  • 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))
  • St. Peter CTHSNot Published

Payment Plans

  • CathedralNot Published
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly
  • St. Peter CTHSMonthly (10 payments Jul-Apr) · By semester (Jul / Jan) · Annual (Jul)

Aid Award Notification

  • CathedralNot Published
  • Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
  • St. Peter CTHSNot Published
Commute from home
Tuition
$22,850

2026-27 rate

$33,600

2026-27 rate · Upper School

$15,000

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

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
Fees listed separately

No itemized fees published.

Sibling discountNot PublishedNot PublishedNot Published
Lower school on campusHS only
Yes

PK3–12

HS only
Open houseNov 7, 2026Nov 1, 2026Not posted
Required test
ISEE (or CLT for classical-school students)
ISEE
None
Application deadlineJan 15, 2027Not postedNot posted
Decision dateNot postedNot postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
AP coursesNot posted20Not posted
EnrollmentNot Published30026
Student:TeacherNot Published8.1:1Not Published
Mass
Daily
Not Published
Monthly
Sports11 sports12 sportsNot posted
Links

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