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Academics

Entrance Exam

  • 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))
  • 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.)

Recommendations

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

Dual Credit

  • CathedralYes (University of St. Thomas partnership (est. June 2023))
  • St. AgnesNot Published
  • 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))

World Languages

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

AP Courses

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

Family Interview

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

Honors Courses

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

Notable Programs

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

Academic Model

  • 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
  • DuchesneNot Published
  • FrassatiNot Published

AP Exams Scored 3+

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

Language Credits Required

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

Learning Support

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

Robotics

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

Test Score Deadline

  • CathedralNot Published
  • St. Agnes2027-02-01
  • DuchesneNot Published
  • FrassatiNot Published
Commute from home
Tuition
$22,850

2026-27 rate

$28,400

2026-27 rate

$33,600

2026-27 rate · Upper School

$24,050

2026-27 rate

What's included
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
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
Sibling discountNot PublishedNot PublishedNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campusHS onlyHS only
Yes

PK3–12

HS only
Open houseNov 7, 2026Not postedNov 1, 2026Oct 28, 2026
Required test
ISEE (or CLT for classical-school students)
ISEE

Offered on campus: Nov 14, 2026

ISEE
HSPT or ISEE

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

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

No merit scholarships

Need-based + Merit
Need-based
AP coursesNot posted2520Not posted
EnrollmentNot Published934300364
Student:TeacherNot Published9:18.1:111:1
Mass
Daily
Weekly

Thursdays, 9:10 AM

Not Published
Weekly

Thursdays, 9:15 AM

Sports11 sports12 sports12 sports13 sports
Links

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