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Cost & Financial Aid

Annual Tuition

  • St. John XXIII2,210,000 (2026-27 rate)
  • St. Catherine's2,056,000 (2026-27 rate · 9th grade; grades 10-12: $20,753)
  • St. Peter CTHS1,500,000 (2026-27 rate · most families pay far less after aid)

Need-Based Financial Aid

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

Merit Scholarships

  • St. John XXIIIYes (SJ23 Merit Scholarship for students demonstrating excellence)
  • St. Catherine'sNot published
  • St. Peter CTHSNot Published

Payment Plans

  • St. John XXIII1 payment (no fee) · 2 payments (+$100) · 10 payments May-Feb (+$200)
  • St. Catherine'sNot Published
  • St. Peter CTHSMonthly (10 payments Jul-Apr) · By semester (Jul / Jan) · Annual (Jul)

Sibling Discount

  • St. John XXIII2nd student $17,680 ($4,420 off)
  • St. Catherine's10% off for each younger sibling
  • St. Peter CTHSNot Published
Commute from home
Tuition
$22,100

2026-27 rate

$20,560

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

$15,000

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

What's included
Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — 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
Fees listed separately

No itemized fees published.

Sibling discount2nd student $17,680 ($4,420 off)10% off for each younger siblingNot Published
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS only
Open houseNot postedNot postedNot posted
Required test
ISEE
None
None
Application deadlineNot postedJan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Not posted
Financial aid
Need-based + Merit
Need-based
Need-based
AP coursesNot postedNot postedNot posted
Enrollment4322326
Student:Teacher11.3:114.4:1Not Published
Mass
Weekly

Daily Mass also offered

Monthly
Monthly
Sports13 sports6 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.