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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

Dual Credit

CathedralYes (University of St. Thomas partnership (est. June 2023))
Incarnate WordYes (4 courses with Lone Star College)
St. ThomasYes (4 dual-credit courses via University of St. Thomas)
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

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.)
Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
DuchesneISEE (Administered externally; campus tour + family interview also required)

Recommendations

CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

AP Courses

CathedralNot Published
Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
St. Thomas21 (40+ advanced/AP courses overall)
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)

World Languages

CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
Incarnate WordNot Published
St. ThomasFrench · Spanish · Mandarin · Latin
DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

Application Deadline

CathedralNot Published
Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)
DuchesneNot Published

Learning Support

CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
Incarnate WordNot Published
St. ThomasLearning Enrichment Center; college counseling with 4-year plan
DuchesneNot Published

Notable Programs

CathedralNot Published
Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
St. ThomasNot Published
DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

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.)
Incarnate WordNot Published
St. ThomasNot Published
DuchesneNot Published

Family Interview

CathedralYes (Family interview at the school — parents and student)
Incarnate WordNot Published
St. ThomasNot Published
DuchesneNot Published

Honors Courses

CathedralNot Published
Incarnate WordNot Published
St. ThomasNot Published
Duchesne12 (Called "Advanced" courses)

Commute from home

	Cathedral High School	Incarnate Word Academy	St. Thomas High School	Duchesne Academy of the Sacred Heart
Tuition	$22,850 2026-27 rate	$22,800 2026-27 rate	$27,900 2026-27 rate	$33,600 2026-27 rate · Upper School
What's included	Fees listed separately No itemized fees published.	Fees listed separately see fees Application fee: $75 Registration fee: $350 Tuition deposit: $500 Freshman fee (orientation camp): $350 (freshmen) Senior fee (graduation + retreat): $300 (seniors) Books: —	Included in tuition see list Laptop & technology Charged separately: Application fee: $75 Registration fee: $700 Camp Aquinas (freshman retreat): $650 (freshmen) Class retreat: $325 (returning/transfer students) Books: $550 Athletics fee: $250 (per sport) — optional AP exam: $99 (per course) — 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	Not Published	$2,000/yr per sibling after the first	Not Published
Lower school on campus	HS only	HS only	HS only	Yes PK3–12
Open house	Nov 7, 2026	Nov 8, 2026	Dec 6, 2026	Nov 1, 2026
Required test	ISEE (or CLT for classical-school students)	ISEE Offered on campus: Jan 9, 2027	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027	ISEE
Application deadline	Jan 15, 2027	Dec 14, 2026	Jan 15, 2027	Not posted
Decision date	Not posted	Mar 5, 2027	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based + Merit	Need-based + Merit	Need-based + Merit
AP courses	Not posted	18	21	20
Enrollment	Not Published	248	791	300
Student:Teacher	Not Published	8.3:1	9:1	8.1:1
Mass	Daily	Monthly	Monthly	Not Published
Sports	11 sports	10 sports	12 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.