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Academics

Entrance Exam

  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • Strake JesuitISEE (School code 570964; 9th/10th applicants. 11th-12th transfers submit PSAT instead. ISEE fee $170 (paid to ERB).)
  • CathedralISEE (or CLT for classical-school students) (Scores due Jan 30, 2027. Application opens first week of Sept 2026, due Jan 15, 2027. A family interview is required (parents + student); a shadow day can be requested at the interview.)

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • Strake Jesuit3 — English teacher, Math teacher, Principal/Counselor (electronic via mySJ, not before Nov 1)
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay

Dual Credit

  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • Strake JesuitNot Published
  • CathedralYes (University of St. Thomas partnership (est. June 2023))

Learning Support

  • DuchesneNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • Strake JesuitAcademic Resource Center + Learning Resource Center (learning differences)
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support

World Languages

  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • St. ThomasFrench · Spanish · Mandarin · Latin
  • Strake JesuitNot Published
  • CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)

AP Courses

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

Application Deadline

  • DuchesneNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)
  • Strake Jesuit2027-01-15 (Supplemental documents due Jan 31; rolling after that if space)
  • CathedralNot Published

Academic Model

  • DuchesneNot Published
  • St. ThomasNot Published
  • Strake JesuitNot Published
  • CathedralClassical liberal arts — Trivium (Grammar/Logic/Rhetoric), Shakespeare every year, Junior Thesis, Senior Seminar + Senior Rome Trip. Four Pillars: Sacred Worship, Wisdom, Music, Art. (No AP courses are advertised; dual credit serves the advanced-coursework role.)

AP Scholar Awards

  • DuchesneNot Published
  • St. ThomasNot Published
  • Strake Jesuit388
  • CathedralNot Published

Family Interview

  • DuchesneNot Published
  • St. ThomasNot Published
  • Strake JesuitNot Published
  • CathedralYes (Family interview at the school — parents and student)

Honors Courses

  • Duchesne12 (Called "Advanced" courses)
  • St. ThomasNot Published
  • Strake JesuitNot Published
  • CathedralNot Published

Notable Programs

  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • St. ThomasNot Published
  • Strake JesuitNot Published
  • CathedralNot Published

STEM Recognition

  • DuchesneNot Published
  • St. ThomasNot Published
  • Strake JesuitNewsweek: #27 of 5,000 STEM schools
  • CathedralNot Published

Test Prep

  • DuchesneNot Published
  • St. ThomasNot Published
  • Strake JesuitFree Ray Dass PSAT/SAT/ACT prep; national SAT/ACT test center on campus
  • CathedralNot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$27,900

2026-27 rate

$29,970

2026-27 rate

$22,850

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
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
  • Textbooks (physical + digital)
  • iPad + keyboard case with insurance
  • AP exam fees
  • SAT/ACT prep
  • Course fees (ceramics, science labs)
  • Academic support
  • Most extracurricular/athletic expenses
  • Lab goggles + PE uniforms
  • Parking

Charged separately:

  • ISEE exam (paid to ERB): $170 (applicants) — optional
Fees listed separately

No itemized fees published.

Sibling discountNot Published$2,000/yr per sibling after the firstNot PublishedNot Published
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Dec 6, 2026Dec 3, 2026Nov 7, 2026
Required test
ISEE
ISEE

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

ISEE

Offered on campus: Oct 31, 2026 · Jan 9, 2027

ISEE (or CLT for classical-school students)
Application deadlineNot postedJan 15, 2027Jan 15, 2027Jan 15, 2027
Decision dateNot postedMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
Need-based + Merit
AP courses2021Not postedNot posted
Enrollment3007911,390Not Published
Student:Teacher8.1:19:110:1Not Published
MassNot Published
Monthly
Monthly

Daily Mass also offered

Daily
Sports12 sports12 sports17 sports11 sports
Links

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