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Entrance Exam

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

Dual Credit

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

World Languages

St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
St. Peter CTHSNot Published
O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

Academic Model

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. Peter CTHSNot Published
O'ConnellNot Published

Career & Technical Pathways

St. Catherine'sNot 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.)
O'ConnellNot Published

Notable Programs

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

Commute from home

	St. Catherine's Montessori	St. Peter Catholic Career & Technical High School	O'Connell College Preparatory School
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$15,000 2026-27 rate · most families pay far less after aid	$9,100 2025-26 rate (newest published)
What's included	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 No itemized fees published.	Fees listed separately see fees Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount	10% off for each younger sibling	Not Published	Multi-student assistance available (amount not published)
Lower school on campus	Yes 14 months–12th (Montessori)	HS only	HS only
Open house	Not posted	Not posted	Not posted
Required test	None	None	In-house placement test
Application deadline	Jan 15, 2027	Not posted	Not posted
Decision date	Mar 5, 2027	Not posted	Not posted
Financial aid	Need-based	Need-based	Need-based + Merit
AP courses	Not posted	Not posted	Not posted
Enrollment	23	26	80
Student:Teacher	14.4:1	Not Published	4.5:1
Mass	Monthly	Monthly	Monthly
Sports	6 sports	Not posted	13 sports
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.