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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.)
  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)
  • 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. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))

World Languages

  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
  • St. AgnesNot Published

Dual Credit

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

Notable Programs

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

Recommendations

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

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

AP Courses

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

AP Exams Scored 3+

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

Family Interview

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

Honors Courses

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

Language Credits Required

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

Robotics

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

Test Score Deadline

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

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

$24,050

2026-27 rate

$9,100

2025-26 rate (newest published)

$28,400

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
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
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
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
Sibling discount10% off for each younger sibling$3,000 off 2nd student; $9,425 off 3rd (tuition only)Multi-student assistance available (amount not published)Not Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS onlyHS only
Open houseNot postedOct 28, 2026Not postedNot posted
Required test
None
HSPT or ISEE

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

In-house placement test
ISEE

Offered on campus: Nov 14, 2026

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

No merit scholarships

AP coursesNot postedNot postedNot posted25
Enrollment2336480934
Student:Teacher14.4:111:14.5:19:1
Mass
Monthly
Weekly

Thursdays, 9:15 AM

Monthly
Weekly

Thursdays, 9:10 AM

Sports6 sports13 sports13 sports12 sports
Links

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