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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. 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.)
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)
O'ConnellIn-house placement test (No ISEE/HSPT — 30-60 min Math & Reading placement test, offered Mon-Thu 8:30-2:30. Rolling admissions, no published deadlines.)

Dual Credit

St. Catherine'sNot Published
St. Pius XYes (Via college partnerships (institutions not named))
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

Notable Programs

St. Catherine'sNot Published
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
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers

World Languages

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

AP Courses

St. Catherine'sNot Published
St. Pius XNot Published
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
O'Connell3 (Confirmed via school event calendar: AP Calculus, AP Physics 1, AP Physics C. Not on an academics/curriculum page — count may be incomplete.)

Recommendations

St. Catherine'sNot Published
St. Pius XMath + English teachers, Principal/Counselor; student essay; transcripts
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
O'ConnellNot Published

Academic Model

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.)
St. Pius XNot Published
DuchesneNot Published
O'ConnellNot Published

Honors & AP Courses

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

Honors Courses

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

Learning Support

St. Catherine'sNot Published
St. Pius XPaul A. Gilliam '98 Learning for Success program — structured academic support ($2,500/yr)
DuchesneNot Published
O'ConnellNot Published

Commute from home

	St. Catherine's Montessori	St. Pius X High School	Duchesne Academy of the Sacred Heart	O'Connell College Preparatory School
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$22,850 2026-27 rate	$33,600 2026-27 rate · Upper School	$9,100 2025-26 rate (newest published)
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	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	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount	10% off for each younger sibling	Half tuition for a 3rd concurrently enrolled child	Not Published	Multi-student assistance available (amount not published)
Lower school on campus	Yes 14 months–12th (Montessori)	HS only	Yes PK3–12	HS only
Open house	Not posted	Not posted	Nov 1, 2026	Not posted
Required test	None	ISEE	ISEE	In-house placement test
Application deadline	Jan 15, 2027	Not posted	Not posted	Not posted
Decision date	Mar 5, 2027	Not posted	Not posted	Not posted
Financial aid	Need-based	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	Not posted	Not posted	20	3
Enrollment	23	655	300	80
Student:Teacher	14.4:1	7:1	8.1:1	4.5:1
Mass	Monthly	Monthly	Not Published	Monthly
Sports	6 sports	14 sports	12 sports	13 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.