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Academics

Entrance Exam

  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or 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.)
  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)
  • Cristo ReyNone (No ISEE/HSPT. Reviews grades, test scores, recommendations + 30-min student interview. Must be 14 by Sept 1, work-authorized, and income-eligible.)

World Languages

  • St. ThomasFrench · Spanish · Mandarin · Latin
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • Cristo ReySpanish (through AP Language & Literature) (3 foreign-language credits required)

AP Courses

  • St. Thomas21 (40+ advanced/AP courses overall)
  • St. Catherine'sNot Published
  • FrassatiNot Published
  • Cristo Rey12 (Plus 4 Pre-AP (2026-27 list))

Dual Credit

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

Recommendations

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

Academic Model

  • St. ThomasNot 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.)
  • FrassatiNot Published
  • Cristo ReyNot Published

Application Deadline

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

Corporate Work-Study

  • St. ThomasNot Published
  • St. Catherine'sNot Published
  • FrassatiNot Published
  • Cristo ReyEvery student works one weekday (~7 hrs) at a corporate partner (140+ partners); 4 students job-share one position; schedules built so no classes are missed. Graded 4-credit Practicum; 750+ work hours by graduation; school provides transport to jobs.

Family Interview

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

Learning Support

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

Notable Programs

  • St. ThomasNot Published
  • St. Catherine'sNot Published
  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • Cristo ReyNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$20,560

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

$24,050

2026-27 rate

$8,000

2026-27 · sliding scale by income — average family pays $783/yr

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
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
Included in tuition see list
  • All classes and materials
  • Laptop (kept 4 years + college)
Sibling discount$2,000/yr per sibling after the first10% off for each younger sibling$3,000 off 2nd student; $9,425 off 3rd (tuition only)Not Published
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseDec 6, 2026Not postedOct 28, 2026Not posted
Required test
ISEE

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

None
HSPT or ISEE

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

None
Application deadlineJan 15, 2027Jan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Mar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based
Need-based
AP courses21Not postedNot posted12
Enrollment79123364472
Student:Teacher9:114.4:111:111.8:1
Mass
Monthly
Monthly
Weekly

Thursdays, 9:15 AM

Monthly

Fridays, 10:00 AM

Daily Mass also offered

Sports12 sports6 sports13 sports10 sports
Links

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