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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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Academics College Counseling Athletics Faith & Service Student Life Arts Daily Life Student Support College Outcomes Cost & Financial Aid

Academics

Entrance Exam

St. Pius XISEE (School code 571082; 9th-grade applicants. Transfers submit PSAT/SAT/ACT. School offers an ISEE prep course. Application opens Sept 1.)
DuchesneISEE (Administered externally; campus tour + family interview also required)
St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
St. Catherine'sNone (No admission test. Inquiry → adults-only tour → director meeting → application ($150) + records + lesson samples → student classroom visit. 9th graders enter the Adolescent Community (gr 7-9); High School entry is gr 10-12.)

Dual Credit

St. Pius XYes (Via college partnerships (institutions not named))
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
St. ThomasYes (4 dual-credit courses via University of St. Thomas)
St. Catherine'sNot Published

Recommendations

St. Pius XMath + English teachers, Principal/Counselor; student essay; transcripts
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
St. Catherine'sNot Published

World Languages

St. Pius XNot Published
DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
St. ThomasFrench · Spanish · Mandarin · Latin
St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships

AP Courses

St. Pius XNot Published
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
St. Thomas21 (40+ advanced/AP courses overall)
St. Catherine'sNot Published

Learning Support

St. Pius XPaul A. Gilliam '98 Learning for Success program — structured academic support ($2,500/yr)
DuchesneNot Published
St. ThomasLearning Enrichment Center; college counseling with 4-year plan
St. Catherine'sNot Published

Notable Programs

St. Pius X"Engineer Your World I & II," Computer Science; electives in Business, Law, Psychology, Media Arts
DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
St. ThomasNot Published
St. Catherine'sNot Published

Academic Model

St. Pius XNot Published
DuchesneNot Published
St. ThomasNot Published
St. Catherine'sAMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships (Houston Methodist, law/design firms), university partnerships (St. Thomas, Texas A&M AgriLife), independent study; graduates build a "body of work" (No AP program; university partnerships and internships serve the advanced-work role.)

Application Deadline

St. Pius XNot Published
DuchesneNot Published
St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)
St. Catherine'sNot Published

Honors & AP Courses

St. Pius X25 (Honors/AP combined; 490 AP exams, 49 AP Scholars in 2025)
DuchesneNot Published
St. ThomasNot Published
St. Catherine'sNot Published

Honors Courses

St. Pius XNot Published
Duchesne12 (Called "Advanced" courses)
St. ThomasNot Published
St. Catherine'sNot Published

Commute from home

	St. Pius X High School	Duchesne Academy of the Sacred Heart	St. Thomas High School	St. Catherine's Montessori
Tuition	$22,850 2026-27 rate	$33,600 2026-27 rate · Upper School	$27,900 2026-27 rate	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753
What's included	Fees listed separately see fees Registration fee (new students): $350 Graduation fee (seniors): $280 (seniors) Athletics fee: $150–$350 (per sport) — optional Learning for Success program: $2,500 (if enrolled in program) — optional Bus transportation: $1,550 — 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	Fees listed separately see fees Application fee: $150 Tuition deposit: $750 New Student Fee: $850 Facility fee: $800 Program fee: $2,500–$2,750
Sibling discount	Half tuition for a 3rd concurrently enrolled child	Not Published	$2,000/yr per sibling after the first	10% off for each younger sibling
Lower school on campus	HS only	Yes PK3–12	HS only	Yes 14 months–12th (Montessori)
Open house	Not posted	Nov 1, 2026	Dec 6, 2026	Not posted
Required test	ISEE	ISEE	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	None
Application deadline	Not posted	Not posted	Jan 15, 2027	Jan 15, 2027
Decision date	Not posted	Not posted	Mar 5, 2027	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit	Need-based
AP courses	Not posted	20	21	Not posted
Enrollment	655	300	791	23
Student:Teacher	7:1	8.1:1	9:1	14.4:1
Mass	Monthly	Not Published	Monthly	Monthly
Sports	14 sports	12 sports	12 sports	6 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.