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Cost & Financial Aid

Annual Tuition

  • St. Catherine's2,056,000 (2026-27 rate · 9th grade; grades 10-12: $20,753)
  • Duchesne3,360,000 (2026-27 rate · Upper School)
  • St. Agnes2,840,000 (2026-27 rate)

Merit Scholarships

  • St. Catherine'sNot 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. AgnesNo (Explicit: aid is need-based only, regardless of talents)

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.)
  • DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)
  • St. AgnesYes (~20% of students receive aid; ~$2.95M/yr (2025-26). Blackbaud, school code 14060, $35 fee.)

Payment Plans

  • St. Catherine'sNot Published
  • DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly
  • St. AgnesAnnual (Jul 1) · Semi-annual $13,950 × 2 (Jul 1 / Dec 1) · 10 monthly Jul–Apr (+4% deferral fee)

Aid Award Notification

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

Sibling Discount

  • St. Catherine's10% off for each younger sibling
  • DuchesneNot Published
  • St. AgnesNot Published
Commute from home
Tuition
$20,560

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

$33,600

2026-27 rate · Upper School

$28,400

2026-27 rate

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 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: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — optional
Sibling discount10% off for each younger siblingNot PublishedNot Published
Lower school on campus
Yes

14 months–12th (Montessori)

Yes

PK3–12

HS only
Open houseNot postedNov 1, 2026Not posted
Required test
None
ISEE
ISEE

Offered on campus: Nov 14, 2026

Application deadlineJan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based

No merit scholarships

AP coursesNot posted2025
Enrollment23300934
Student:Teacher14.4:18.1:19:1
Mass
Monthly
Not Published
Weekly

Thursdays, 9:10 AM

Sports6 sports12 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.