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Academics

Entrance Exam

  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)
  • 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.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

World Languages

  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • 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
  • St. ThomasFrench · Spanish · Mandarin · Latin

Dual Credit

  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • St. Catherine'sNot Published
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Notable Programs

  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • St. Catherine'sNot Published
  • O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
  • St. ThomasNot Published

Recommendations

  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

Academic Model

  • FrassatiNot 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
  • St. ThomasNot Published

AP Courses

  • FrassatiNot Published
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • St. Thomas21 (40+ advanced/AP courses overall)

Application Deadline

  • FrassatiNot Published
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Family Interview

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

Learning Support

  • FrassatiNot Published
  • St. Catherine'sNot Published
  • O'ConnellNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
Commute from home
Tuition
$24,050

2026-27 rate

$20,560

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

$9,100

2025-26 rate (newest published)

$27,900

2026-27 rate

What's included
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
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
  • 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
Sibling discount$3,000 off 2nd student; $9,425 off 3rd (tuition only)10% off for each younger siblingMulti-student assistance available (amount not published)$2,000/yr per sibling after the first
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseOct 28, 2026Not postedNot postedDec 6, 2026
Required test
HSPT or ISEE

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

None
In-house placement test
ISEE

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

Application deadlineNot postedJan 15, 2027Not postedJan 15, 2027
Decision dateNot postedMar 5, 2027Not postedMar 5, 2027
Financial aid
Need-based
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot postedNot posted21
Enrollment3642380791
Student:Teacher11:114.4:14.5:19:1
Mass
Weekly

Thursdays, 9:15 AM

Monthly
Monthly
Monthly
Sports13 sports6 sports13 sports12 sports
Links

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