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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

FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)
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.)
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

FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
St. ThomasFrench · Spanish · Mandarin · Latin
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

FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
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))
St. Catherine'sNot Published

Notable Programs

FrassatiPhysics-first science sequence; Ethics & Culture department; House System
St. ThomasNot Published
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

Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
O'ConnellNot Published
St. Catherine'sNot Published

Academic Model

FrassatiNot Published
St. ThomasNot 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.)

AP Courses

FrassatiNot Published
St. Thomas21 (40+ advanced/AP courses overall)
O'ConnellNot Published
St. Catherine'sNot Published

Application Deadline

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

Family Interview

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

Learning Support

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

Commute from home

	Frassati Catholic High School	St. Thomas High School	O'Connell College Preparatory School	St. Catherine's Montessori
Tuition	$24,050 2026-27 rate	$27,900 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	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	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	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	$3,000 off 2nd student; $9,425 off 3rd (tuition only)	$2,000/yr per sibling after the first	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	Oct 28, 2026	Dec 6, 2026	Not posted	Not posted
Required test	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	In-house placement test	None
Application deadline	Not posted	Jan 15, 2027	Not posted	Jan 15, 2027
Decision date	Not posted	Mar 5, 2027	Not posted	Mar 5, 2027
Financial aid	Need-based	Need-based + Merit	Need-based + Merit	Need-based
AP courses	Not posted	21	Not posted	Not posted
Enrollment	364	791	80	23
Student:Teacher	11:1	9:1	4.5:1	14.4:1
Mass	Weekly Thursdays, 9:15 AM	Monthly	Monthly	Monthly
Sports	13 sports	12 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.