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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

Dual Credit

Incarnate WordYes (4 courses with Lone Star College)
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
CathedralYes (University of St. Thomas partnership (est. June 2023))
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

Entrance Exam

Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
DuchesneISEE (Administered externally; campus tour + family interview also required)
CathedralISEE (or CLT for classical-school students) (Scores due Jan 30, 2027. Application opens first week of Sept 2026, due Jan 15, 2027. A family interview is required (parents + student); a shadow day can be requested at the interview.)
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.)

Notable Programs

Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
CathedralNot Published
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers

Recommendations

Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
O'ConnellNot Published

World Languages

Incarnate WordNot Published
DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

AP Courses

Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
CathedralNot Published
O'ConnellNot Published

Academic Model

Incarnate WordNot Published
DuchesneNot Published
CathedralClassical liberal arts — Trivium (Grammar/Logic/Rhetoric), Shakespeare every year, Junior Thesis, Senior Seminar + Senior Rome Trip. Four Pillars: Sacred Worship, Wisdom, Music, Art. (No AP courses are advertised; dual credit serves the advanced-coursework role.)
O'ConnellNot Published

Application Deadline

Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
DuchesneNot Published
CathedralNot Published
O'ConnellNot Published

Family Interview

Incarnate WordNot Published
DuchesneNot Published
CathedralYes (Family interview at the school — parents and student)
O'ConnellNot Published

Honors Courses

Incarnate WordNot Published
Duchesne12 (Called "Advanced" courses)
CathedralNot Published
O'ConnellNot Published

Learning Support

Incarnate WordNot Published
DuchesneNot Published
CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
O'ConnellNot Published

Commute from home

	Incarnate Word Academy	Duchesne Academy of the Sacred Heart	Cathedral High School	O'Connell College Preparatory School
Tuition	$22,800 2026-27 rate	$33,600 2026-27 rate · Upper School	$22,850 2026-27 rate	$9,100 2025-26 rate (newest published)
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 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 No itemized fees published.	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount	Not Published	Not Published	Not Published	Multi-student assistance available (amount not published)
Lower school on campus	HS only	Yes PK3–12	HS only	HS only
Open house	Nov 8, 2026	Nov 1, 2026	Nov 7, 2026	Not posted
Required test	ISEE Offered on campus: Jan 9, 2027	ISEE	ISEE (or CLT for classical-school students)	In-house placement test
Application deadline	Dec 14, 2026	Not posted	Jan 15, 2027	Not posted
Decision date	Mar 5, 2027	Not posted	Not posted	Not posted
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	18	20	Not posted	Not posted
Enrollment	248	300	Not Published	80
Student:Teacher	8.3:1	8.1:1	Not Published	4.5:1
Mass	Monthly	Not Published	Daily	Monthly
Sports	10 sports	12 sports	11 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.