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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.)
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. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
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. Pius XYes (Via college partnerships (institutions not named))
St. Catherine'sNot Published
St. ThomasYes (4 dual-credit courses via University of St. Thomas)
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

World Languages

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

AP Courses

St. Pius XNot Published
St. Catherine'sNot Published
St. Thomas21 (40+ advanced/AP courses overall)
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.)

Learning Support

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

Notable Programs

St. Pius X"Engineer Your World I & II," Computer Science; electives in Business, Law, Psychology, Media Arts
St. Catherine'sNot Published
St. ThomasNot Published
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers

Recommendations

St. Pius XMath + English teachers, Principal/Counselor; student essay; transcripts
St. Catherine'sNot Published
St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
O'ConnellNot Published

Academic Model

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

Application Deadline

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

Honors & AP Courses

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

Commute from home

	St. Pius X High School	St. Catherine's Montessori	St. Thomas High School	O'Connell College Preparatory School
Tuition	$22,850 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	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 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	Half tuition for a 3rd concurrently enrolled child	10% off for each younger sibling	$2,000/yr per sibling after the first	Multi-student assistance available (amount not published)
Lower school on campus	HS only	Yes 14 months–12th (Montessori)	HS only	HS only
Open house	Not posted	Not posted	Dec 6, 2026	Not posted
Required test	ISEE	None	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	In-house placement test
Application deadline	Not posted	Jan 15, 2027	Jan 15, 2027	Not posted
Decision date	Not posted	Mar 5, 2027	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based	Need-based + Merit	Need-based + Merit
AP courses	Not posted	Not posted	21	3
Enrollment	655	23	791	80
Student:Teacher	7:1	14.4:1	9:1	4.5:1
Mass	Monthly	Monthly	Monthly	Monthly
Sports	14 sports	6 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.