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Cathedral Cristo Rey Duchesne Frassati Incarnate Word O'Connell St. Agnes St. Catherine's St. John XXIII St. Peter CTHS St. Pius X St. Thomas Strake Jesuit

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Cost & Financial Aid

Annual Tuition

St. Catherine's2,056,000 (2026-27 rate · 9th grade; grades 10-12: $20,753)
Frassati2,405,000 (2026-27 rate)
Duchesne3,360,000 (2026-27 rate · Upper School)
St. Thomas2,790,000 (2026-27 rate)

Merit Scholarships

St. Catherine'sNot published
FrassatiNot published (Only need-based aid described)
DuchesneYes ($15,000/yr renewable: Janet Erskine Stuart (Catholic middle-schoolers), Madeleine Sophie Barat (continuing Duchesne 8th), Rose Philippine Duchesne (incoming 9th, other schools))
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.)

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.)
FrassatiYes (28% of students receive aid; FACTS Grant & Aid opens Oct 7, 2026, due Jan 31, 2027; aid decisions independent of admission)
DuchesneYes ($2M+ awarded annually to ~26% of students; Clarity portal)
St. ThomasYes (~1/3 of students aided; $2.7M+/yr; awards 10-95% of tuition; Blackbaud; deadline Jan 15, 2027; awards mid-March)

Sibling Discount

St. Catherine's10% off for each younger sibling
Frassati$3,000 off 2nd student; $9,425 off 3rd (tuition only)
DuchesneNot Published
St. Thomas$2,000/yr per sibling after the first

Included in Tuition

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

Payment Plans

St. Catherine'sNot Published
FrassatiAnnual (Jun, 2% discount) · Semi-annual (Jul 1 / Dec 1) · 10 monthly Jul-Apr (FACTS fees apply)
DuchesneFull (May 20) · 2-pay (May / Nov) · 12-month monthly
St. ThomasNot Published

Aid Award Notification

St. Catherine'sNot Published
FrassatiNot Published
Duchesne2027-03-05 (Award acceptance Mar 24, 2027.)
St. ThomasNot Published

Commute from home

	St. Catherine's Montessori	Frassati Catholic High School	Duchesne Academy of the Sacred Heart	St. Thomas High School
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$24,050 2026-27 rate	$33,600 2026-27 rate · Upper School	$27,900 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 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 New Student Fee: $1,500 Enrollment deposit: $1,000 Technology fee (Grade 9): $2,600 Textbooks: $350 (approximate, Upper School) Grade 10 College Tour: $500 (grade 10) Graduation fee: $600 (seniors) Class trips: $175–$2,800 — optional AP exams: $100–$200 (per exam) — optional Athletics fee: $150–$300 (per sport) — 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
Sibling discount	10% off for each younger sibling	$3,000 off 2nd student; $9,425 off 3rd (tuition only)	Not Published	$2,000/yr per sibling after the first
Lower school on campus	Yes 14 months–12th (Montessori)	HS only	Yes PK3–12	HS only
Open house	Not posted	Oct 28, 2026	Nov 1, 2026	Dec 6, 2026
Required test	None	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027	ISEE	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Jan 15, 2027	Not posted	Not posted	Jan 15, 2027
Decision date	Mar 5, 2027	Not posted	Not posted	Mar 5, 2027
Financial aid	Need-based	Need-based	Need-based + Merit	Need-based + Merit
AP courses	Not posted	Not posted	20	21
Enrollment	23	364	300	791
Student:Teacher	14.4:1	11:1	8.1:1	9:1
Mass	Monthly	Weekly Thursdays, 9:15 AM	Not Published	Monthly
Sports	6 sports	13 sports	12 sports	12 sports
Links	Full profile Admissions	Full profile Admissions	Full profile Admissions	Full profile Admissions

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