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Academics

Entrance Exam

  • St. John XXIIIISEE (School code 570048; 9th grade. 11th/12th transfers submit PSAT. Last cycle: opened Sept 1, deadline Jan 15, docs Jan 31, rolling after.)
  • 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.)

Recommendations

  • St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only
  • 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

World Languages

  • St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)
  • 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)

Dual Credit

  • St. John XXIIINot 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))
  • CathedralYes (University of St. Thomas partnership (est. June 2023))

Family Interview

  • St. John XXIIINot Published
  • 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)

Notable Programs

  • St. John XXIIINot Published
  • 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

Academic Model

  • St. John XXIIINot Published
  • 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.)

AP Courses

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

AP Program

  • St. John XXIIIAP and honors coursework offered (count not published; Course Selection Guide not public)
  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralNot Published

Honors Courses

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

Learning Support

  • St. John XXIIINot Published
  • DuchesneNot Published
  • FrassatiNot Published
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support
Commute from home
Tuition
$22,100

2026-27 rate

$33,600

2026-27 rate · Upper School

$24,050

2026-27 rate

$22,850

2026-27 rate

What's included
Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — 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
Fees listed separately

No itemized fees published.

Sibling discount2nd student $17,680 ($4,420 off)Not Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)Not Published
Lower school on campusHS only
Yes

PK3–12

HS onlyHS only
Open houseNot postedNov 1, 2026Oct 28, 2026Nov 7, 2026
Required test
ISEE
ISEE
HSPT or ISEE

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

ISEE (or CLT for classical-school students)
Application deadlineNot postedNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedNot postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
Need-based + Merit
AP coursesNot posted20Not postedNot posted
Enrollment432300364Not Published
Student:Teacher11.3:18.1:111:1Not Published
Mass
Weekly

Daily Mass also offered

Not Published
Weekly

Thursdays, 9:15 AM

Daily
Sports13 sports12 sports13 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.