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Cost & Financial Aid

Annual Tuition

  • Frassati2,405,000 (2026-27 rate)
  • O'Connell910,000 (2025-26 rate (newest published))
  • St. Thomas2,790,000 (2026-27 rate)
  • Cathedral2,285,000 (2026-27 rate)

Merit Scholarships

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

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

  • Frassati$3,000 off 2nd student; $9,425 off 3rd (tuition only)
  • O'ConnellMulti-student assistance available (amount not published)
  • St. Thomas$2,000/yr per sibling after the first
  • CathedralNot 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)
  • O'ConnellNot Published
  • St. ThomasLaptop & technology
  • CathedralNot Published

Payment Plans

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

2026-27 rate

$9,100

2025-26 rate (newest published)

$27,900

2026-27 rate

$22,850

2026-27 rate

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
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
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 discount$3,000 off 2nd student; $9,425 off 3rd (tuition only)Multi-student assistance available (amount not published)$2,000/yr per sibling after the firstNot Published
Lower school on campusHS onlyHS onlyHS onlyHS only
Open houseOct 28, 2026Not postedDec 6, 2026Nov 7, 2026
Required test
HSPT or ISEE

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

In-house placement test
ISEE

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

ISEE (or CLT for classical-school students)
Application deadlineNot postedNot postedJan 15, 2027Jan 15, 2027
Decision dateNot postedNot postedMar 5, 2027Not posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted21Not posted
Enrollment36480791Not Published
Student:Teacher11:14.5:19:1Not Published
Mass
Weekly

Thursdays, 9:15 AM

Monthly
Monthly
Daily
Sports13 sports13 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.