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Academics

Entrance Exam

  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • 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.)
  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))

Recommendations

  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)

AP Courses

  • St. Thomas21 (40+ advanced/AP courses overall)
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • FrassatiNot Published
  • St. Agnes25

Dual Credit

  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • 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))
  • St. AgnesNot Published

World Languages

  • St. ThomasFrench · Spanish · Mandarin · Latin
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • St. AgnesNot Published

Honors Courses

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

Notable Programs

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

AP Exams Scored 3+

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

Application Deadline

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

Family Interview

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

Language Credits Required

  • St. ThomasNot Published
  • DuchesneNot Published
  • FrassatiNot Published
  • St. Agnes2

Learning Support

  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • DuchesneNot Published
  • FrassatiNot Published
  • St. AgnesNot Published

Robotics

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

Test Score Deadline

  • St. ThomasNot Published
  • DuchesneNot Published
  • FrassatiNot Published
  • St. Agnes2027-02-01
Commute from home
Tuition
$27,900

2026-27 rate

$33,600

2026-27 rate · Upper School

$24,050

2026-27 rate

$28,400

2026-27 rate

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 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 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 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 only
Yes

PK3–12

HS onlyHS only
Open houseDec 6, 2026Nov 1, 2026Oct 28, 2026Not posted
Required test
ISEE

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

ISEE
HSPT or ISEE

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

ISEE

Offered on campus: Nov 14, 2026

Application deadlineJan 15, 2027Not postedNot postedNot posted
Decision dateMar 5, 2027Not postedNot postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
Need-based

No merit scholarships

AP courses2120Not posted25
Enrollment791300364934
Student:Teacher9:18.1:111:19:1
Mass
Monthly
Not Published
Weekly

Thursdays, 9:15 AM

Weekly

Thursdays, 9:10 AM

Sports12 sports12 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.