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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

Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
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.)
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.)

Dual Credit

Incarnate WordYes (4 courses with Lone Star College)
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
St. Catherine'sNot Published
St. ThomasYes (4 dual-credit courses via University of St. Thomas)

World Languages

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

AP Courses

Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
O'ConnellNot Published
St. Catherine'sNot Published
St. Thomas21 (40+ advanced/AP courses overall)

Application Deadline

Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
O'ConnellNot Published
St. Catherine'sNot Published
St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Notable Programs

Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
St. Catherine'sNot Published
St. ThomasNot Published

Recommendations

Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
O'ConnellNot Published
St. Catherine'sNot Published
St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

Academic Model

Incarnate WordNot Published
O'ConnellNot 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

Learning Support

Incarnate WordNot Published
O'ConnellNot Published
St. Catherine'sNot Published
St. ThomasLearning Enrichment Center; college counseling with 4-year plan

Commute from home

	Incarnate Word Academy	O'Connell College Preparatory School	St. Catherine's Montessori	St. Thomas High School
Tuition	$22,800 2026-27 rate	$9,100 2025-26 rate (newest published)	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$27,900 2026-27 rate
What's included	Fees listed separately see fees Application fee: $75 Registration fee: $350 Tuition deposit: $500 Freshman fee (orientation camp): $350 (freshmen) Senior fee (graduation + retreat): $300 (seniors) Books: —	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — 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
Sibling discount	Not Published	Multi-student assistance available (amount not published)	10% off for each younger sibling	$2,000/yr per sibling after the first
Lower school on campus	HS only	HS only	Yes 14 months–12th (Montessori)	HS only
Open house	Nov 8, 2026	Not posted	Not posted	Dec 6, 2026
Required test	ISEE Offered on campus: Jan 9, 2027	In-house placement test	None	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Dec 14, 2026	Not posted	Jan 15, 2027	Jan 15, 2027
Decision date	Mar 5, 2027	Not posted	Mar 5, 2027	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit	Need-based	Need-based + Merit
AP courses	18	Not posted	Not posted	21
Enrollment	248	80	23	791
Student:Teacher	8.3:1	4.5:1	14.4:1	9:1
Mass	Monthly	Monthly	Monthly	Monthly
Sports	10 sports	13 sports	6 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.