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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

Entrance Exam

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.)
DuchesneISEE (Administered externally; campus tour + family interview also required)
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.)

World Languages

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

Dual Credit

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))
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
St. Catherine'sNot Published

Academic Model

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
DuchesneNot 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.)

Notable Programs

CathedralNot Published
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
St. Catherine'sNot Published

Recommendations

CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
O'ConnellNot Published
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
St. Catherine'sNot Published

AP Courses

CathedralNot Published
O'ConnellNot Published
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
St. Catherine'sNot Published

Family Interview

CathedralYes (Family interview at the school — parents and student)
O'ConnellNot Published
DuchesneNot Published
St. Catherine'sNot Published

Honors Courses

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

Learning Support

CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
O'ConnellNot Published
DuchesneNot Published
St. Catherine'sNot Published

Commute from home

	Cathedral High School	O'Connell College Preparatory School	Duchesne Academy of the Sacred Heart	St. Catherine's Montessori
Tuition	$22,850 2026-27 rate	$9,100 2025-26 rate (newest published)	$33,600 2026-27 rate · Upper School	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753
What's included	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	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 Application fee: $150 Tuition deposit: $750 New Student Fee: $850 Facility fee: $800 Program fee: $2,500–$2,750
Sibling discount	Not Published	Multi-student assistance available (amount not published)	Not Published	10% off for each younger sibling
Lower school on campus	HS only	HS only	Yes PK3–12	Yes 14 months–12th (Montessori)
Open house	Nov 7, 2026	Not posted	Nov 1, 2026	Not posted
Required test	ISEE (or CLT for classical-school students)	In-house placement test	ISEE	None
Application deadline	Jan 15, 2027	Not posted	Not posted	Jan 15, 2027
Decision date	Not posted	Not posted	Not posted	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit	Need-based
AP courses	Not posted	Not posted	20	Not posted
Enrollment	Not Published	80	300	23
Student:Teacher	Not Published	4.5:1	8.1:1	14.4:1
Mass	Daily	Monthly	Not Published	Monthly
Sports	11 sports	13 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.