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Academics

Entrance Exam

  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • 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.)
  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))

Recommendations

  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • St. Catherine'sNot Published
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)

World Languages

  • St. ThomasFrench · Spanish · Mandarin · Latin
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • St. AgnesNot Published

AP Courses

  • St. Thomas21 (40+ advanced/AP courses overall)
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. Agnes25

Dual Credit

  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • St. Catherine'sNot Published
  • St. AgnesNot Published

Academic Model

  • St. ThomasNot Published
  • 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.)
  • St. AgnesNot Published

AP Exams Scored 3+

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

Application Deadline

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

Family Interview

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

Honors Courses

  • St. ThomasNot Published
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. Agnes12

Language Credits Required

  • St. ThomasNot Published
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. Agnes2

Learning Support

  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. AgnesNot Published

Notable Programs

  • St. ThomasNot Published
  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • St. Catherine'sNot Published
  • St. AgnesNot Published

Robotics

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

Test Score Deadline

  • St. ThomasNot Published
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. Agnes2027-02-01
Commute from home
Tuition
$27,900

2026-27 rate

$24,050

2026-27 rate

$20,560

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

$28,400

2026-27 rate

What's included
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
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
  • 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 discount$2,000/yr per sibling after the first$3,000 off 2nd student; $9,425 off 3rd (tuition only)10% off for each younger siblingNot Published
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

HS only
Open houseDec 6, 2026Oct 28, 2026Not postedNot posted
Required test
ISEE

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

HSPT or ISEE

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

None
ISEE

Offered on campus: Nov 14, 2026

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

No merit scholarships

AP courses21Not postedNot posted25
Enrollment79136423934
Student:Teacher9:111:114.4:19:1
Mass
Monthly
Weekly

Thursdays, 9:15 AM

Monthly
Weekly

Thursdays, 9:10 AM

Sports12 sports13 sports6 sports12 sports
Links

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