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Dual Credit

O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
CathedralYes (University of St. Thomas partnership (est. June 2023))
St. Peter CTHSYes (Houston Community College partnership — pathway courses at St. Peter and two HCC campuses; school provides transport during the school day)

Entrance Exam

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.)
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. Peter CTHSNone (No ISEE/HSPT. Inquiry → tour → FACTS application; English + Math recommendations + transcript. Last cycle: due Jan 15, decisions Mar 6, reply Mar 25.)

World Languages

Academic Model

O'ConnellNot Published
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. Peter CTHSNot Published

Career & Technical Pathways

O'ConnellNot Published
CathedralNot Published
St. Peter CTHSBusiness · Construction · Education · Information Technology · Health Sciences (The school describes itself as the first Catholic career and technical high school in Texas, and the second in the United States. Graduates earn a diploma plus a Level 1 industry certification, with a possible HCC associate degree and job placement with partner businesses.)

Family Interview

Learning Support

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

Notable Programs

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

Recommendations

O'ConnellNot Published
CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
St. Peter CTHSNot Published

Commute from home

	O'Connell College Preparatory School	Cathedral High School	St. Peter Catholic Career & Technical High School
Tuition	$9,100 2025-26 rate (newest published)	$22,850 2026-27 rate	$15,000 2026-27 rate · most families pay far less after aid
What's included	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 No itemized fees published.	Fees listed separately No itemized fees published.
Sibling discount	Multi-student assistance available (amount not published)	Not Published	Not Published
Lower school on campus	HS only	HS only	HS only
Open house	Not posted	Nov 7, 2026	Not posted
Required test	In-house placement test	ISEE (or CLT for classical-school students)	None
Application deadline	Not posted	Jan 15, 2027	Not posted
Decision date	Not posted	Not posted	Not posted
Financial aid	Need-based + Merit	Need-based + Merit	Need-based
AP courses	Not posted	Not posted	Not posted
Enrollment	80	Not Published	26
Student:Teacher	4.5:1	Not Published	Not Published
Mass	Monthly	Daily	Monthly
Sports	13 sports	11 sports	Not posted
Links	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.