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Academics

Entrance Exam

  • 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.)
  • 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.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • 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.)

World Languages

  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)

Dual Credit

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

Academic Model

  • O'ConnellNot 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.)
  • DuchesneNot 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.)

Notable Programs

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

Recommendations

  • O'ConnellNot Published
  • St. Catherine'sNot Published
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay

AP Courses

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

Family Interview

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

Honors Courses

  • O'ConnellNot Published
  • St. Catherine'sNot Published
  • Duchesne12 (Called "Advanced" courses)
  • CathedralNot Published

Learning Support

  • O'ConnellNot Published
  • St. Catherine'sNot Published
  • DuchesneNot Published
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
Commute from home
Tuition
$9,100

2025-26 rate (newest published)

$20,560

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

$33,600

2026-27 rate · Upper School

$22,850

2026-27 rate

What's included
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
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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

No itemized fees published.

Sibling discountMulti-student assistance available (amount not published)10% off for each younger siblingNot PublishedNot Published
Lower school on campusHS only
Yes

14 months–12th (Montessori)

Yes

PK3–12

HS only
Open houseNot postedNot postedNov 1, 2026Nov 7, 2026
Required test
In-house placement test
None
ISEE
ISEE (or CLT for classical-school students)
Application deadlineNot postedJan 15, 2027Not postedJan 15, 2027
Decision dateNot postedMar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted20Not posted
Enrollment8023300Not Published
Student:Teacher4.5:114.4:18.1:1Not Published
Mass
Monthly
Monthly
Not Published
Daily
Sports13 sports6 sports12 sports11 sports
Links

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.