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Academics

Entrance Exam

  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute 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.)
  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)

Dual Credit

  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • CathedralYes (University of St. Thomas partnership (est. June 2023))
  • St. AgnesNot Published

World Languages

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

AP Courses

  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • FrassatiNot Published
  • CathedralNot Published
  • St. Agnes25

Family Interview

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

Honors Courses

  • Duchesne12 (Called "Advanced" courses)
  • FrassatiNot Published
  • CathedralNot Published
  • St. Agnes12

Notable Programs

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

Academic Model

  • DuchesneNot Published
  • FrassatiNot 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. AgnesNot Published

AP Exams Scored 3+

  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralNot Published
  • St. Agnes97 (% of AP exams scored 3+)

Language Credits Required

  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralNot Published
  • St. Agnes2

Learning Support

  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
  • St. AgnesNot Published

Robotics

  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralNot Published
  • St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances

Test Score Deadline

  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralNot Published
  • St. Agnes2027-02-01
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$24,050

2026-27 rate

$22,850

2026-27 rate

$28,400

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
  • 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

No itemized fees published.

Fees listed separately see fees
  • Application fee: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — optional
Sibling discountNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)Not PublishedNot Published
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Oct 28, 2026Nov 7, 2026Not posted
Required test
ISEE
HSPT or ISEE

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

ISEE (or CLT for classical-school students)
ISEE

Offered on campus: Nov 14, 2026

Application deadlineNot postedNot postedJan 15, 2027Not posted
Decision dateNot postedNot postedNot postedNot posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based

No merit scholarships

AP courses20Not postedNot posted25
Enrollment300364Not Published934
Student:Teacher8.1:111:1Not Published9:1
MassNot Published
Weekly

Thursdays, 9:15 AM

Daily
Weekly

Thursdays, 9:10 AM

Sports12 sports13 sports11 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.