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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 College Counseling Athletics Faith & Service Student Life Arts Daily Life Student Support College Outcomes Cost & Financial Aid

Academics

Entrance Exam

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.)
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.)

Dual Credit

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))
CathedralYes (University of St. Thomas partnership (est. June 2023))

Recommendations

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

World Languages

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
CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)

AP Courses

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

Honors Courses

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

Notable Programs

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
CathedralNot Published

Academic Model

DuchesneNot Published
St. AgnesNot Published
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.)

AP Exams Scored 3+

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

Family Interview

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

Language Credits Required

DuchesneNot Published
St. Agnes2
O'ConnellNot Published
CathedralNot Published

Learning Support

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

Robotics

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

Test Score Deadline

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

Commute from home

	Duchesne Academy of the Sacred Heart	St. Agnes Academy	O'Connell College Preparatory School	Cathedral High School
Tuition	$33,600 2026-27 rate · Upper School	$28,400 2026-27 rate	$9,100 2025-26 rate (newest published)	$22,850 2026-27 rate
What's included	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	Fees listed separately No itemized fees published.
Sibling discount	Not Published	Not Published	Multi-student assistance available (amount not published)	Not Published
Lower school on campus	Yes PK3–12	HS only	HS only	HS only
Open house	Nov 1, 2026	Not posted	Not posted	Nov 7, 2026
Required test	ISEE	ISEE Offered on campus: Nov 14, 2026	In-house placement test	ISEE (or CLT for classical-school students)
Application deadline	Not posted	Not posted	Not posted	Jan 15, 2027
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	20	25	Not posted	Not posted
Enrollment	300	934	80	Not Published
Student:Teacher	8.1:1	9:1	4.5:1	Not Published
Mass	Not Published	Weekly Thursdays, 9:10 AM	Monthly	Daily
Sports	12 sports	12 sports	13 sports	11 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.