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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

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.)
St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))

World Languages

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
St. AgnesNot Published

AP Courses

St. Thomas21 (40+ advanced/AP courses overall)
O'ConnellNot Published
St. Catherine'sNot Published
St. Agnes25

Dual Credit

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
St. AgnesNot Published

Recommendations

St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
O'ConnellNot Published
St. Catherine'sNot Published
St. AgnesEnglish + Math teachers (due Jan 14, 2027)

Academic Model

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.)
St. AgnesNot Published

AP Exams Scored 3+

St. ThomasNot Published
O'ConnellNot Published
St. Catherine'sNot Published
St. Agnes97 (% of AP exams scored 3+)

Application Deadline

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

Honors Courses

St. ThomasNot Published
O'ConnellNot Published
St. Catherine'sNot Published
St. Agnes12

Language Credits Required

St. ThomasNot Published
O'ConnellNot Published
St. Catherine'sNot Published
St. Agnes2

Learning Support

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

Notable Programs

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
St. AgnesNot Published

Robotics

St. ThomasNot Published
O'ConnellNot Published
St. Catherine'sNot Published
St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances

Test Score Deadline

St. ThomasNot Published
O'ConnellNot Published
St. Catherine'sNot Published
St. Agnes2027-02-01

Commute from home

	St. Thomas High School	O'Connell College Preparatory School	St. Catherine's Montessori	St. Agnes Academy
Tuition	$27,900 2026-27 rate	$9,100 2025-26 rate (newest published)	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$28,400 2026-27 rate
What's included	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	Fees listed separately see fees Application fee: $75 ($125 for transfer applicants) Enrollment deposit: $500 Tablet PC (technology): $1,725 AP test fee: $105 (per AP / Honors-AP class) — optional Senior fee: $350 (seniors only) — optional Athletics fee: $150 (per sport) — optional
Sibling discount	$2,000/yr per sibling after the first	Multi-student assistance available (amount not published)	10% off for each younger sibling	Not Published
Lower school on campus	HS only	HS only	Yes 14 months–12th (Montessori)	HS only
Open house	Dec 6, 2026	Not posted	Not posted	Not posted
Required test	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	In-house placement test	None	ISEE Offered on campus: Nov 14, 2026
Application deadline	Jan 15, 2027	Not posted	Jan 15, 2027	Not posted
Decision date	Mar 5, 2027	Not posted	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based + Merit	Need-based	Need-based No merit scholarships
AP courses	21	Not posted	Not posted	25
Enrollment	791	80	23	934
Student:Teacher	9:1	4.5:1	14.4:1	9:1
Mass	Monthly	Monthly	Monthly	Weekly Thursdays, 9:10 AM
Sports	12 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.