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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

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

CathedralYes (University of St. Thomas partnership (est. June 2023))
St. AgnesNot Published
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

Recommendations

CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
St. AgnesEnglish + Math teachers (due Jan 14, 2027)
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
O'ConnellNot Published

World Languages

CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
St. AgnesNot Published
DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

AP Courses

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

Honors Courses

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

Notable Programs

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

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. AgnesNot Published
DuchesneNot Published
O'ConnellNot Published

AP Exams Scored 3+

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

Family Interview

CathedralYes (Family interview at the school — parents and student)
St. AgnesNot Published
DuchesneNot Published
O'ConnellNot Published

Language Credits Required

CathedralNot Published
St. Agnes2
DuchesneNot Published
O'ConnellNot Published

Learning Support

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

Robotics

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

Test Score Deadline

CathedralNot Published
St. Agnes2027-02-01
DuchesneNot Published
O'ConnellNot Published

Commute from home

	Cathedral High School	St. Agnes Academy	Duchesne Academy of the Sacred Heart	O'Connell College Preparatory School
Tuition	$22,850 2026-27 rate	$28,400 2026-27 rate	$33,600 2026-27 rate · Upper School	$9,100 2025-26 rate (newest published)
What's included	Fees listed separately No itemized fees published.	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 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 Registration fee: $450 Technology fee: $200 Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount	Not Published	Not Published	Not Published	Multi-student assistance available (amount not published)
Lower school on campus	HS only	HS only	Yes PK3–12	HS only
Open house	Nov 7, 2026	Not posted	Nov 1, 2026	Not posted
Required test	ISEE (or CLT for classical-school students)	ISEE Offered on campus: Nov 14, 2026	ISEE	In-house placement test
Application deadline	Jan 15, 2027	Not posted	Not posted	Not posted
Decision date	Not posted	Not posted	Not posted	Not posted
Financial aid	Need-based + Merit	Need-based No merit scholarships	Need-based + Merit	Need-based + Merit
AP courses	Not posted	25	20	Not posted
Enrollment	Not Published	934	300	80
Student:Teacher	Not Published	9:1	8.1:1	4.5:1
Mass	Daily	Weekly Thursdays, 9:10 AM	Not Published	Monthly
Sports	11 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.