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Academics

Entrance Exam

  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or 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.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • 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.)

World Languages

  • St. ThomasFrench · Spanish · Mandarin · Latin
  • Cristo ReySpanish (through AP Language & Literature) (3 foreign-language credits required)
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships

AP Courses

  • St. Thomas21 (40+ advanced/AP courses overall)
  • Cristo Rey12 (Plus 4 Pre-AP (2026-27 list))
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • St. Catherine'sNot Published

Dual Credit

  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • Cristo ReyNot Published
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • St. Catherine'sNot Published

Recommendations

  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • Cristo ReyNot Published
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. Catherine'sNot Published

Academic Model

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

Application Deadline

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

Corporate Work-Study

  • St. ThomasNot 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.
  • DuchesneNot Published
  • St. Catherine'sNot Published

Honors Courses

  • St. ThomasNot Published
  • Cristo ReyNot Published
  • Duchesne12 (Called "Advanced" courses)
  • St. Catherine'sNot Published

Learning Support

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

Notable Programs

  • St. ThomasNot Published
  • Cristo ReyNot Published
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • St. Catherine'sNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$8,000

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

$33,600

2026-27 rate · Upper School

$20,560

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

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
  • All classes and materials
  • Laptop (kept 4 years + college)
Fees listed separately see fees
  • New Student Fee: $1,500
  • Enrollment deposit: $1,000
  • Technology fee (Grade 9): $2,600
  • Textbooks: $350 (approximate, Upper School)
  • Grade 10 College Tour: $500 (grade 10)
  • Graduation fee: $600 (seniors)
  • Class trips: $175–$2,800 — optional
  • AP exams: $100–$200 (per exam) — optional
  • Athletics fee: $150–$300 (per sport) — 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
Sibling discount$2,000/yr per sibling after the firstNot PublishedNot Published10% off for each younger sibling
Lower school on campusHS onlyHS only
Yes

PK3–12

Yes

14 months–12th (Montessori)

Open houseDec 6, 2026Not postedNov 1, 2026Not posted
Required test
ISEE

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

None
ISEE
None
Application deadlineJan 15, 2027Not postedNot postedJan 15, 2027
Decision dateMar 5, 2027Not postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based
AP courses211220Not posted
Enrollment79147230023
Student:Teacher9:111.8:18.1:114.4:1
Mass
Monthly
Monthly

Fridays, 10:00 AM

Daily Mass also offered

Not Published
Monthly
Sports12 sports10 sports12 sports6 sports
Links

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