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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)
  • St. Catherine's2,056,000 (2026-27 rate · 9th grade; grades 10-12: $20,753)

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)
  • St. Catherine'sYes (FACTS (Archdiocese form auto-applies to SCM's own program); opens Dec, due Mar. TEFA participant, but may reduce school aid when TEFA funds received.)

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))
  • St. Catherine'sNot published

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
  • St. Catherine'sNot Published

Aid Award Notification

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

Sibling Discount

  • St. Peter CTHSNot Published
  • DuchesneNot Published
  • St. Catherine's10% off for each younger sibling
Commute from home
Tuition
$15,000

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

$33,600

2026-27 rate · Upper School

$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

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 see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
Sibling discountNot PublishedNot Published10% off for each younger sibling
Lower school on campusHS only
Yes

PK3–12

Yes

14 months–12th (Montessori)

Open houseNot postedNov 1, 2026Not posted
Required test
None
ISEE
None
Application deadlineNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedMar 5, 2027
Financial aid
Need-based
Need-based + Merit
Need-based
AP coursesNot posted20Not posted
Enrollment2630023
Student:TeacherNot Published8.1:114.4:1
Mass
Monthly
Not Published
Monthly
SportsNot posted12 sports6 sports
Links

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