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Academics

Entrance Exam

  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
  • St. John XXIIIISEE (School code 570048; 9th grade. 11th/12th transfers submit PSAT. Last cycle: opened Sept 1, deadline Jan 15, docs Jan 31, rolling after.)

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
  • St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only

AP Courses

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

Dual Credit

  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • Incarnate WordYes (4 courses with Lone Star College)
  • St. John XXIIINot Published

World Languages

  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • St. ThomasFrench · Spanish · Mandarin · Latin
  • Incarnate WordNot Published
  • St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)

Application Deadline

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

Notable Programs

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

AP Program

  • DuchesneNot Published
  • St. ThomasNot Published
  • Incarnate WordNot Published
  • St. John XXIIIAP and honors coursework offered (count not published; Course Selection Guide not public)

Honors Courses

  • Duchesne12 (Called "Advanced" courses)
  • St. ThomasNot Published
  • Incarnate WordNot Published
  • St. John XXIIINot Published

Learning Support

  • DuchesneNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • Incarnate WordNot Published
  • St. John XXIIINot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$27,900

2026-27 rate

$22,800

2026-27 rate

$22,100

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
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
  • Application fee: $75
  • Registration fee: $350
  • Tuition deposit: $500
  • Freshman fee (orientation camp): $350 (freshmen)
  • Senior fee (graduation + retreat): $300 (seniors)
  • Books:
Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — optional
Sibling discountNot Published$2,000/yr per sibling after the firstNot Published2nd student $17,680 ($4,420 off)
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Dec 6, 2026Nov 8, 2026Not posted
Required test
ISEE
ISEE

Offered on campus: Nov 14, 2026 · Jan 9, 2027

ISEE

Offered on campus: Jan 9, 2027

ISEE
Application deadlineNot postedJan 15, 2027Dec 14, 2026Not posted
Decision dateNot postedMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP courses202118Not posted
Enrollment300791248432
Student:Teacher8.1:19:18.3:111.3:1
MassNot Published
Monthly
Monthly
Weekly

Daily Mass also offered

Sports12 sports12 sports10 sports13 sports
Links

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