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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))
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

Recommendations

  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

AP Courses

  • CathedralNot Published
  • St. Agnes25
  • St. Thomas21 (40+ advanced/AP courses overall)

Dual Credit

  • CathedralYes (University of St. Thomas partnership (est. June 2023))
  • St. AgnesNot Published
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Learning Support

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

World Languages

  • CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)
  • St. AgnesNot Published
  • St. ThomasFrench · Spanish · Mandarin · Latin

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
  • St. ThomasNot Published

AP Exams Scored 3+

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

Application Deadline

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

Family Interview

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

Honors Courses

  • CathedralNot Published
  • St. Agnes12
  • St. ThomasNot Published

Language Credits Required

  • CathedralNot Published
  • St. Agnes2
  • St. ThomasNot Published

Robotics

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

Test Score Deadline

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

2026-27 rate

$28,400

2026-27 rate

$27,900

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
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 Published$2,000/yr per sibling after the first
Lower school on campusHS onlyHS onlyHS only
Open houseNov 7, 2026Not postedDec 6, 2026
Required test
ISEE (or CLT for classical-school students)
ISEE

Offered on campus: Nov 14, 2026

ISEE

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

Application deadlineJan 15, 2027Not postedJan 15, 2027
Decision dateNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based

No merit scholarships

Need-based + Merit
AP coursesNot posted2521
EnrollmentNot Published934791
Student:TeacherNot Published9:19:1
Mass
Daily
Weekly

Thursdays, 9:10 AM

Monthly
Sports11 sports12 sports12 sports
Links

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