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Cost & Financial Aid

Annual Tuition

  • Frassati2,405,000 (2026-27 rate)
  • St. Catherine's2,056,000 (2026-27 rate · 9th grade; grades 10-12: $20,753)
  • St. Thomas2,790,000 (2026-27 rate)
  • O'Connell910,000 (2025-26 rate (newest published))

Merit Scholarships

  • FrassatiNot published (Only need-based aid described)
  • 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.)
  • O'ConnellYes (Merit awards for academic performance + extracurricular involvement; parish/community scholarships; multi-student assistance)

Need-Based Financial Aid

  • FrassatiYes (28% of students receive aid; FACTS Grant & Aid opens Oct 7, 2026, due Jan 31, 2027; aid decisions independent of admission)
  • 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)
  • O'ConnellYes (Guardian Angel Scholarship (needs-based, volunteer component) via FACTS Grant & Aid; TEFA state accounts accepted)

Sibling Discount

  • Frassati$3,000 off 2nd student; $9,425 off 3rd (tuition only)
  • St. Catherine's10% off for each younger sibling
  • St. Thomas$2,000/yr per sibling after the first
  • O'ConnellMulti-student assistance available (amount not published)

Included in Tuition

  • FrassatiTechnology fee ($500) · Registration ($300) · Student activities ($400) · Textbooks ($650) (The $24,050 figure is tuition + these $1,850 general fees combined)
  • St. Catherine'sNot Published
  • St. ThomasLaptop & technology
  • O'ConnellNot Published

Payment Plans

  • FrassatiAnnual (Jun, 2% discount) · Semi-annual (Jul 1 / Dec 1) · 10 monthly Jul-Apr (FACTS fees apply)
  • St. Catherine'sNot Published
  • St. ThomasNot Published
  • O'ConnellNot Published
Commute from home
Tuition
$24,050

2026-27 rate

$20,560

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

$27,900

2026-27 rate

$9,100

2025-26 rate (newest published)

What's included
Included in tuition see list
  • Technology fee ($500)
  • Registration ($300)
  • Student activities ($400)
  • Textbooks ($650)

Charged separately:

  • Application fee: $75–$125
  • Enrollment deposit (new families): $700
  • Athletics & Fine Arts fee: $250 (per sport/season) — 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
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 see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount$3,000 off 2nd student; $9,425 off 3rd (tuition only)10% off for each younger sibling$2,000/yr per sibling after the firstMulti-student assistance available (amount not published)
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseOct 28, 2026Not postedDec 6, 2026Not posted
Required test
HSPT or ISEE

Offered on campus: Jan 9, 2027 · Jan 23, 2027

None
ISEE

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

In-house placement test
Application deadlineNot postedJan 15, 2027Jan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted21Not posted
Enrollment3642379180
Student:Teacher11:114.4:19:14.5:1
Mass
Weekly

Thursdays, 9:15 AM

Monthly
Monthly
Monthly
Sports13 sports6 sports12 sports13 sports
Links

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