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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.)
FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute 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.)
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)
FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
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

Dual Credit

CathedralYes (University of St. Thomas partnership (est. June 2023))
FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
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.)
FrassatiNot 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.)

Family Interview

CathedralYes (Family interview at the school — parents and student)
FrassatiYes (~30 min, student + parents with faculty — Jan 23 (8am-3pm) or Jan 28 (3-5pm), 2027; signups Nov 2026.)
O'ConnellNot Published
St. Catherine'sNot Published

Notable Programs

CathedralNot Published
FrassatiPhysics-first science sequence; Ethics & Culture department; House System
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
St. Catherine'sNot Published

Recommendations

CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
O'ConnellNot Published
St. Catherine'sNot Published

Learning Support

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

Commute from home

	Cathedral High School	Frassati Catholic High School	O'Connell College Preparatory School	St. Catherine's Montessori
Tuition	$22,850 2026-27 rate	$24,050 2026-27 rate	$9,100 2025-26 rate (newest published)	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753
What's included	Fees listed separately No itemized fees published.	Included in tuition see list Technology fee ($500) Registration ($300) Student activities ($400) Textbooks ($650) Charged separately: Application fee: $75–$125 Enrollment deposit (new families): $700 Athletics & Fine Arts fee: $250 (per sport/season) — optional	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
Sibling discount	Not Published	$3,000 off 2nd student; $9,425 off 3rd (tuition only)	Multi-student assistance available (amount not published)	10% off for each younger sibling
Lower school on campus	HS only	HS only	HS only	Yes 14 months–12th (Montessori)
Open house	Nov 7, 2026	Oct 28, 2026	Not posted	Not posted
Required test	ISEE (or CLT for classical-school students)	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027	In-house placement test	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	Need-based + Merit	Need-based
AP courses	Not posted	Not posted	Not posted	Not posted
Enrollment	Not Published	364	80	23
Student:Teacher	Not Published	11:1	4.5:1	14.4:1
Mass	Daily	Weekly Thursdays, 9:15 AM	Monthly	Monthly
Sports	11 sports	13 sports	13 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.