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Academics

Dual Credit

  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • CathedralYes (University of St. Thomas partnership (est. June 2023))
  • St. Pius XYes (Via college partnerships (institutions not named))
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Entrance Exam

  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • 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.)
  • St. Pius XISEE (School code 571082; 9th-grade applicants. Transfers submit PSAT/SAT/ACT. School offers an ISEE prep course. Application opens Sept 1.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
  • St. Pius XMath + English teachers, Principal/Counselor; student essay; transcripts
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

Learning Support

  • DuchesneNot Published
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
  • St. Pius XPaul A. Gilliam '98 Learning for Success program — structured academic support ($2,500/yr)
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan

World Languages

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

AP Courses

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

Notable Programs

  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • CathedralNot Published
  • St. Pius X"Engineer Your World I & II," Computer Science; electives in Business, Law, Psychology, Media Arts
  • St. ThomasNot Published

Academic Model

  • DuchesneNot 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.)
  • St. Pius XNot Published
  • St. ThomasNot Published

Application Deadline

  • DuchesneNot Published
  • CathedralNot Published
  • St. Pius XNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Family Interview

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

Honors & AP Courses

  • DuchesneNot Published
  • CathedralNot Published
  • St. Pius X25 (Honors/AP combined; 490 AP exams, 49 AP Scholars in 2025)
  • St. ThomasNot Published

Honors Courses

  • Duchesne12 (Called "Advanced" courses)
  • CathedralNot Published
  • St. Pius XNot Published
  • St. ThomasNot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$22,850

2026-27 rate

$22,850

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

No itemized fees published.

Fees listed separately see fees
  • Registration fee (new students): $350
  • Graduation fee (seniors): $280 (seniors)
  • Athletics fee: $150–$350 (per sport) — optional
  • Learning for Success program: $2,500 (if enrolled in program) — optional
  • Bus transportation: $1,550 — 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 PublishedNot PublishedHalf tuition for a 3rd concurrently enrolled child$2,000/yr per sibling after the first
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Nov 7, 2026Not postedDec 6, 2026
Required test
ISEE
ISEE (or CLT for classical-school students)
ISEE
ISEE

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

Application deadlineNot postedJan 15, 2027Not postedJan 15, 2027
Decision dateNot postedNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP courses20Not postedNot posted21
Enrollment300Not Published655791
Student:Teacher8.1:1Not Published7:19:1
MassNot Published
Daily
Monthly
Monthly
Sports12 sports11 sports14 sports12 sports
Links

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