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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

Entrance Exam

St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
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.)
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.)
DuchesneISEE (Administered externally; campus tour + family interview also required)

World Languages

St. AgnesNot Published
St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

AP Courses

St. Agnes25
St. Catherine'sNot Published
O'ConnellNot Published
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)

Dual Credit

St. AgnesNot Published
St. Catherine'sNot Published
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Honors Courses

St. Agnes12
St. Catherine'sNot Published
O'ConnellNot Published
Duchesne12 (Called "Advanced" courses)

Notable Programs

St. AgnesNot Published
St. Catherine'sNot Published
O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

Recommendations

St. AgnesEnglish + Math teachers (due Jan 14, 2027)
St. Catherine'sNot Published
O'ConnellNot Published
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

Academic Model

St. AgnesNot 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.)
O'ConnellNot Published
DuchesneNot Published

AP Exams Scored 3+

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

Language Credits Required

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

Robotics

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

Test Score Deadline

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

Commute from home

	St. Agnes Academy	St. Catherine's Montessori	O'Connell College Preparatory School	Duchesne Academy of the Sacred Heart
Tuition	$28,400 2026-27 rate	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$9,100 2025-26 rate (newest published)	$33,600 2026-27 rate · Upper School
What's included	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	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 Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional	Fees listed separately see fees New Student Fee: $1,500 Enrollment deposit: $1,000 Technology fee (Grade 9): $2,600 Textbooks: $350 (approximate, Upper School) Grade 10 College Tour: $500 (grade 10) Graduation fee: $600 (seniors) Class trips: $175–$2,800 — optional AP exams: $100–$200 (per exam) — optional Athletics fee: $150–$300 (per sport) — optional
Sibling discount	Not Published	10% off for each younger sibling	Multi-student assistance available (amount not published)	Not Published
Lower school on campus	HS only	Yes 14 months–12th (Montessori)	HS only	Yes PK3–12
Open house	Not posted	Not posted	Not posted	Nov 1, 2026
Required test	ISEE Offered on campus: Nov 14, 2026	None	In-house placement test	ISEE
Application deadline	Not posted	Jan 15, 2027	Not posted	Not posted
Decision date	Not posted	Mar 5, 2027	Not posted	Not posted
Financial aid	Need-based No merit scholarships	Need-based	Need-based + Merit	Need-based + Merit
AP courses	25	Not posted	Not posted	20
Enrollment	934	23	80	300
Student:Teacher	9:1	14.4:1	4.5:1	8.1:1
Mass	Weekly Thursdays, 9:10 AM	Monthly	Monthly	Not Published
Sports	12 sports	6 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.