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

World Languages

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

AP Courses

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

Dual Credit

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

Honors Courses

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

Notable Programs

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

Recommendations

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

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.)
DuchesneNot Published
St. AgnesNot Published
O'ConnellNot Published

AP Exams Scored 3+

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

Language Credits Required

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

Robotics

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

Test Score Deadline

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

Commute from home

	St. Catherine's Montessori	Duchesne Academy of the Sacred Heart	St. Agnes Academy	O'Connell College Preparatory School
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$33,600 2026-27 rate · Upper School	$28,400 2026-27 rate	$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 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	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 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	Not Published	Multi-student assistance available (amount not published)
Lower school on campus	Yes 14 months–12th (Montessori)	Yes PK3–12	HS only	HS only
Open house	Not posted	Nov 1, 2026	Not posted	Not posted
Required test	None	ISEE	ISEE Offered on campus: Nov 14, 2026	In-house placement test
Application deadline	Jan 15, 2027	Not posted	Not posted	Not posted
Decision date	Mar 5, 2027	Not posted	Not posted	Not posted
Financial aid	Need-based	Need-based + Merit	Need-based No merit scholarships	Need-based + Merit
AP courses	Not posted	20	25	Not posted
Enrollment	23	300	934	80
Student:Teacher	14.4:1	8.1:1	9:1	4.5:1
Mass	Monthly	Not Published	Weekly Thursdays, 9:10 AM	Monthly
Sports	6 sports	12 sports	12 sports	13 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.