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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. Thomas2,790,000 (2026-27 rate)
  • Cathedral2,285,000 (2026-27 rate)

Merit Scholarships

  • St. Catherine'sNot published
  • St. ThomasYes (Academic Scholarship Program (ISEE-based), Gabel Scholarship (80% tuition, ~2/yr), Basilian Fathers', Principal's/Aquinas scholarships (GPA-renewable). Sibling discount $2,000/yr after first.)
  • CathedralYes (Sts. Peter & Paul (merit), Newman (need + formation), essay-based pillar scholarships. Deadline Jan 23, 2027; FACTS application required for any award.)

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. ThomasYes (~1/3 of students aided; $2.7M+/yr; awards 10-95% of tuition; Blackbaud; deadline Jan 15, 2027; awards mid-March)
  • CathedralYes (Administered through FACTS Grant & Aid. The school reports an endowment restricted to tuition assistance, and states that it works with accepted families on affordability.)

Sibling Discount

  • St. Catherine's10% off for each younger sibling
  • St. Thomas$2,000/yr per sibling after the first
  • CathedralNot Published

Included in Tuition

  • St. Catherine'sNot Published
  • St. ThomasLaptop & technology
  • CathedralNot Published
Commute from home
Tuition
$20,560

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

$27,900

2026-27 rate

$22,850

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
Included in tuition see list
  • Laptop & technology

Charged separately:

  • Application fee: $75
  • Registration fee: $700
  • Camp Aquinas (freshman retreat): $650 (freshmen)
  • Class retreat: $325 (returning/transfer students)
  • Books: $550
  • Athletics fee: $250 (per sport) — optional
  • AP exam: $99 (per course) — optional
Fees listed separately

No itemized fees published.

Sibling discount10% off for each younger sibling$2,000/yr per sibling after the firstNot Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNot postedDec 6, 2026Nov 7, 2026
Required test
None
ISEE

Offered on campus: Nov 14, 2026 · Jan 9, 2027

ISEE (or CLT for classical-school students)
Application deadlineJan 15, 2027Jan 15, 2027Jan 15, 2027
Decision dateMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot posted21Not posted
Enrollment23791Not Published
Student:Teacher14.4:19:1Not Published
Mass
Monthly
Monthly
Daily
Sports6 sports12 sports11 sports
Links

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