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Cost & Financial Aid

Annual Tuition

  • St. John XXIII2,210,000 (2026-27 rate)
  • 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. Peter CTHSYes (95% of students aided (2025-26); approved TEFA provider (state accounts, from 2026-27))

Payment Plans

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

Merit Scholarships

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

Sibling Discount

  • St. John XXIII2nd student $17,680 ($4,420 off)
  • St. Peter CTHSNot Published
Commute from home
Tuition
$22,100

2026-27 rate

$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

No itemized fees published.

Sibling discount2nd student $17,680 ($4,420 off)Not Published
Lower school on campusHS onlyHS only
Open houseNot postedNot posted
Required test
ISEE
None
Application deadlineNot postedNot posted
Decision dateNot postedNot posted
Financial aid
Need-based + Merit
Need-based
AP coursesNot postedNot posted
Enrollment43226
Student:Teacher11.3:1Not Published
Mass
Weekly

Daily Mass also offered

Monthly
Sports13 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.