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Academics

Entrance Exam

  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • 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.)
  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)

World Languages

  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • 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
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)

Dual Credit

  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • St. Catherine'sNot Published
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))

Notable Programs

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

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th

Academic Model

  • DuchesneNot 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
  • FrassatiNot Published

AP Courses

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

Family Interview

  • DuchesneNot Published
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • FrassatiYes (~30 min, student + parents with faculty — Jan 23 (8am-3pm) or Jan 28 (3-5pm), 2027; signups Nov 2026.)

Honors Courses

  • Duchesne12 (Called "Advanced" courses)
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • FrassatiNot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$20,560

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

$9,100

2025-26 rate (newest published)

$24,050

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: $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
Included in tuition see list
  • Technology fee ($500)
  • Registration ($300)
  • Student activities ($400)
  • Textbooks ($650)

Charged separately:

  • Application fee: $75–$125
  • Enrollment deposit (new families): $700
  • Athletics & Fine Arts fee: $250 (per sport/season) — optional
Sibling discountNot Published10% off for each younger siblingMulti-student assistance available (amount not published)$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campus
Yes

PK3–12

Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNov 1, 2026Not postedNot postedOct 28, 2026
Required test
ISEE
None
In-house placement test
HSPT or ISEE

Offered on campus: Jan 9, 2027 · Jan 23, 2027

Application deadlineNot postedJan 15, 2027Not postedNot posted
Decision dateNot postedMar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based
AP courses20Not postedNot postedNot posted
Enrollment3002380364
Student:Teacher8.1:114.4:14.5:111:1
MassNot Published
Monthly
Monthly
Weekly

Thursdays, 9:15 AM

Sports12 sports6 sports13 sports13 sports
Links

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