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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

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.)
St. John XXIIIISEE (School code 570048; 9th grade. 11th/12th transfers submit PSAT. Last cycle: opened Sept 1, deadline Jan 15, docs Jan 31, rolling after.)
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. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

World Languages

CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)
O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
St. ThomasFrench · Spanish · Mandarin · Latin

Dual Credit

CathedralYes (University of St. Thomas partnership (est. June 2023))
St. John XXIIINot Published
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Recommendations

CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only
O'ConnellNot Published
St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

Learning Support

CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
St. John XXIIINot Published
O'ConnellNot Published
St. ThomasLearning Enrichment Center; college counseling with 4-year plan

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.)
St. John XXIIINot Published
O'ConnellNot Published
St. ThomasNot Published

AP Courses

CathedralNot Published
St. John XXIIINot Published
O'ConnellNot Published
St. Thomas21 (40+ advanced/AP courses overall)

AP Program

CathedralNot Published
St. John XXIIIAP and honors coursework offered (count not published; Course Selection Guide not public)
O'ConnellNot Published
St. ThomasNot Published

Application Deadline

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

Family Interview

CathedralYes (Family interview at the school — parents and student)
St. John XXIIINot Published
O'ConnellNot Published
St. ThomasNot Published

Notable Programs

CathedralNot Published
St. John XXIIINot Published
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
St. ThomasNot Published

Commute from home

	Cathedral High School	St. John XXIII College Preparatory	O'Connell College Preparatory School	St. Thomas High School
Tuition	$22,850 2026-27 rate	$22,100 2026-27 rate	$9,100 2025-26 rate (newest published)	$27,900 2026-27 rate
What's included	Fees listed separately No itemized fees published.	Fees listed separately see fees New Student Enrollment Fee: $500 Financial aid application (Clarity): $60 — optional	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — 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
Sibling discount	Not Published	2nd student $17,680 ($4,420 off)	Multi-student assistance available (amount not published)	$2,000/yr per sibling after the first
Lower school on campus	HS only	HS only	HS only	HS only
Open house	Nov 7, 2026	Not posted	Not posted	Dec 6, 2026
Required test	ISEE (or CLT for classical-school students)	ISEE	In-house placement test	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
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 + Merit
AP courses	Not posted	Not posted	Not posted	21
Enrollment	Not Published	432	80	791
Student:Teacher	Not Published	11.3:1	4.5:1	9:1
Mass	Daily	Weekly Daily Mass also offered	Monthly	Monthly
Sports	11 sports	13 sports	13 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.