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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.)
  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
  • 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
  • St. AgnesNot Published
  • 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
  • St. AgnesNot 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

  • St. Catherine'sNot Published
  • St. AgnesNot 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
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • O'ConnellNot Published
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th

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

AP Courses

  • St. Catherine'sNot Published
  • St. Agnes25
  • O'ConnellNot Published
  • FrassatiNot Published

AP Exams Scored 3+

  • St. Catherine'sNot Published
  • St. Agnes97 (% of AP exams scored 3+)
  • O'ConnellNot Published
  • FrassatiNot Published

Family Interview

  • St. Catherine'sNot Published
  • St. AgnesNot 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

  • St. Catherine'sNot Published
  • St. Agnes12
  • O'ConnellNot Published
  • FrassatiNot Published

Language Credits Required

  • St. Catherine'sNot Published
  • St. Agnes2
  • O'ConnellNot Published
  • FrassatiNot Published

Robotics

  • St. Catherine'sNot Published
  • St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances
  • O'ConnellNot Published
  • FrassatiNot Published

Test Score Deadline

  • St. Catherine'sNot Published
  • St. Agnes2027-02-01
  • O'ConnellNot Published
  • FrassatiNot Published
Commute from home
Tuition
$20,560

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

$28,400

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 see fees
  • Application fee: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — optional
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 postedNot postedNot postedOct 28, 2026
Required test
None
ISEE

Offered on campus: Nov 14, 2026

In-house placement test
HSPT or ISEE

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

Application deadlineJan 15, 2027Not postedNot postedNot posted
Decision dateMar 5, 2027Not postedNot postedNot posted
Financial aid
Need-based
Need-based

No merit scholarships

Need-based + Merit
Need-based
AP coursesNot posted25Not postedNot posted
Enrollment2393480364
Student:Teacher14.4:19:14.5:111:1
Mass
Monthly
Weekly

Thursdays, 9:10 AM

Monthly
Weekly

Thursdays, 9:15 AM

Sports6 sports12 sports13 sports13 sports
Links

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