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Academics

Entrance Exam

  • 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.)
  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

World Languages

  • 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
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • St. ThomasFrench · Spanish · Mandarin · Latin

Dual Credit

  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • St. Catherine'sNot Published
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. Catherine'sNot Published
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

AP Courses

  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • St. Catherine'sNot Published
  • FrassatiNot Published
  • St. Thomas21 (40+ advanced/AP courses overall)

Notable Programs

  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • St. Catherine'sNot Published
  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • St. ThomasNot Published

Academic Model

  • 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.)
  • FrassatiNot Published
  • St. ThomasNot Published

Application Deadline

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

Family Interview

  • DuchesneNot 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.)
  • St. ThomasNot Published

Honors Courses

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

Learning Support

  • DuchesneNot Published
  • St. Catherine'sNot Published
  • FrassatiNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$20,560

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

$24,050

2026-27 rate

$27,900

2026-27 rate

What's included
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
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
  • 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
Sibling discountNot Published10% off for each younger sibling$3,000 off 2nd student; $9,425 off 3rd (tuition only)$2,000/yr per sibling after the first
Lower school on campus
Yes

PK3–12

Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNov 1, 2026Not postedOct 28, 2026Dec 6, 2026
Required test
ISEE
None
HSPT or ISEE

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

ISEE

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

Application deadlineNot postedJan 15, 2027Not postedJan 15, 2027
Decision dateNot postedMar 5, 2027Not postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based
Need-based + Merit
AP courses20Not postedNot posted21
Enrollment30023364791
Student:Teacher8.1:114.4:111:19:1
MassNot Published
Monthly
Weekly

Thursdays, 9:15 AM

Monthly
Sports12 sports6 sports13 sports12 sports
Links

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.