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Academics

Entrance Exam

  • Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
  • 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.)
  • 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.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)

Dual Credit

  • Incarnate WordYes (4 courses with Lone Star College)
  • St. Catherine'sNot Published
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Notable Programs

  • Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
  • St. Catherine'sNot Published
  • O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

World Languages

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

AP Courses

  • Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)

Recommendations

  • Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

Academic Model

  • Incarnate WordNot Published
  • 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.)
  • O'ConnellNot Published
  • DuchesneNot Published

Application Deadline

  • Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • DuchesneNot Published

Honors Courses

  • Incarnate WordNot Published
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • Duchesne12 (Called "Advanced" courses)
Commute from home
Tuition
$22,800

2026-27 rate

$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

$9,100

2025-26 rate (newest published)

$33,600

2026-27 rate · Upper School

What's included
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
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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 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 discountNot Published10% off for each younger siblingMulti-student assistance available (amount not published)Not Published
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS only
Yes

PK3–12

Open houseNov 8, 2026Not postedNot postedNov 1, 2026
Required test
ISEE

Offered on campus: Jan 9, 2027

None
In-house placement test
ISEE
Application deadlineDec 14, 2026Jan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Mar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based + Merit
AP courses18Not postedNot posted20
Enrollment2482380300
Student:Teacher8.3:114.4:14.5:18.1:1
Mass
Monthly
Monthly
Monthly
Not Published
Sports10 sports6 sports13 sports12 sports
Links

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