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Academics

Entrance Exam

  • 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.)
  • 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.)
  • 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

  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)

Dual Credit

  • St. Catherine'sNot Published
  • CathedralYes (University of St. Thomas partnership (est. June 2023))
  • 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))

Academic Model

  • 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.)
  • 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.)
  • O'ConnellNot Published
  • FrassatiNot Published

Family Interview

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

Notable Programs

  • St. Catherine'sNot Published
  • CathedralNot 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

  • St. Catherine'sNot Published
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
  • O'ConnellNot Published
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th

AP Courses

  • St. Catherine'sNot Published
  • CathedralNot Published
  • O'Connell3 (Confirmed via school event calendar: AP Calculus, AP Physics 1, AP Physics C. Not on an academics/curriculum page — count may be incomplete.)
  • FrassatiNot Published

Learning Support

  • St. Catherine'sNot Published
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
  • O'ConnellNot Published
  • FrassatiNot Published
Commute from home
Tuition
$20,560

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

$22,850

2026-27 rate

$9,100

2025-26 rate (newest published)

$24,050

2026-27 rate

What's included
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

No itemized fees published.

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 discount10% off for each younger siblingNot PublishedMulti-student assistance available (amount not published)$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS onlyHS only
Open houseNot postedNov 7, 2026Not postedOct 28, 2026
Required test
None
ISEE (or CLT for classical-school students)
In-house placement test
HSPT or ISEE

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

Application deadlineJan 15, 2027Jan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
Need-based
AP coursesNot postedNot posted3Not posted
Enrollment23Not Published80364
Student:Teacher14.4:1Not Published4.5:111:1
Mass
Monthly
Daily
Monthly
Weekly

Thursdays, 9:15 AM

Sports6 sports11 sports13 sports13 sports
Links

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