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Cost & Financial Aid

Annual Tuition

  • St. Catherine's2,056,000 (2026-27 rate · 9th grade; grades 10-12: $20,753)
  • St. John XXIII2,210,000 (2026-27 rate)
  • Duchesne3,360,000 (2026-27 rate · Upper School)

Merit Scholarships

  • St. Catherine'sNot 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))

Need-Based Financial Aid

  • 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.)
  • 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. Catherine'sNot Published
  • St. John XXIII1 payment (no fee) · 2 payments (+$100) · 10 payments May-Feb (+$200)
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly

Sibling Discount

  • St. Catherine's10% off for each younger sibling
  • St. John XXIII2nd student $17,680 ($4,420 off)
  • DuchesneNot Published

Aid Award Notification

  • St. Catherine'sNot Published
  • St. John XXIIINot Published
  • Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
Commute from home
Tuition
$20,560

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

$22,100

2026-27 rate

$33,600

2026-27 rate · Upper School

What's included
Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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 discount10% off for each younger sibling2nd student $17,680 ($4,420 off)Not Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS only
Yes

PK3–12

Open houseNot postedNot postedNov 1, 2026
Required test
None
ISEE
ISEE
Application deadlineJan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted20
Enrollment23432300
Student:Teacher14.4:111.3:18.1:1
Mass
Monthly
Weekly

Daily Mass also offered

Not Published
Sports6 sports13 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.