Compare Schools

Pick up to 4 schools to see them side by side.

Clear all

4 of 4 selected

Explore by category

Pick a category to see everything these schools publish about it, side by side.

Academics

Dual Credit

  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • CathedralYes (University of St. Thomas partnership (est. June 2023))
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Entrance Exam

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

Recommendations

  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

World Languages

  • St. ThomasFrench · Spanish · Mandarin · Latin
  • CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

AP Courses

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

Family Interview

  • St. ThomasNot Published
  • CathedralYes (Family interview at the school — parents and student)
  • FrassatiYes (~30 min, student + parents with faculty — Jan 23 (8am-3pm) or Jan 28 (3-5pm), 2027; signups Nov 2026.)
  • DuchesneNot Published

Learning Support

  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
  • FrassatiNot Published
  • DuchesneNot Published

Notable Programs

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

Academic Model

  • St. ThomasNot 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.)
  • FrassatiNot Published
  • DuchesneNot Published

Application Deadline

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

Honors Courses

  • St. ThomasNot Published
  • CathedralNot Published
  • FrassatiNot Published
  • Duchesne12 (Called "Advanced" courses)
Commute from home
Tuition
$27,900

2026-27 rate

$22,850

2026-27 rate

$24,050

2026-27 rate

$33,600

2026-27 rate · Upper School

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

No itemized fees published.

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
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
Sibling discount$2,000/yr per sibling after the firstNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)Not Published
Lower school on campusHS onlyHS onlyHS only
Yes

PK3–12

Open houseDec 6, 2026Nov 7, 2026Oct 28, 2026Nov 1, 2026
Required test
ISEE

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

ISEE (or CLT for classical-school students)
HSPT or ISEE

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

ISEE
Application deadlineJan 15, 2027Jan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
Need-based + Merit
AP courses21Not postedNot posted20
Enrollment791Not Published364300
Student:Teacher9:1Not Published11:18.1:1
Mass
Monthly
Daily
Weekly

Thursdays, 9:15 AM

Not Published
Sports12 sports11 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.