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Academics

Entrance Exam

  • St. Catherine'sNone (No admission test. Inquiry → adults-only tour → director meeting → application ($150) + records + lesson samples → student classroom visit. 9th graders enter the Adolescent Community (gr 7-9); High School entry is gr 10-12.)
  • 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)

AP Courses

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

Honors Courses

  • St. Catherine'sNot Published
  • St. Agnes12
  • Duchesne12 (Called "Advanced" courses)

Recommendations

  • St. Catherine'sNot Published
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

World Languages

  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • St. AgnesNot Published
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

Academic Model

  • St. Catherine'sAMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships (Houston Methodist, law/design firms), university partnerships (St. Thomas, Texas A&M AgriLife), independent study; graduates build a "body of work" (No AP program; university partnerships and internships serve the advanced-work role.)
  • St. AgnesNot Published
  • DuchesneNot Published

AP Exams Scored 3+

  • St. Catherine'sNot Published
  • St. Agnes97 (% of AP exams scored 3+)
  • DuchesneNot Published

Dual Credit

  • St. Catherine'sNot Published
  • St. AgnesNot Published
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Language Credits Required

  • St. Catherine'sNot Published
  • St. Agnes2
  • DuchesneNot Published

Notable Programs

  • St. Catherine'sNot Published
  • St. AgnesNot Published
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

Robotics

  • St. Catherine'sNot Published
  • St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances
  • DuchesneNot Published

Test Score Deadline

  • St. Catherine'sNot Published
  • St. Agnes2027-02-01
  • DuchesneNot Published
Commute from home
Tuition
$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

$28,400

2026-27 rate

$33,600

2026-27 rate · Upper School

What's included
Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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
Sibling discount10% off for each younger siblingNot PublishedNot Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS only
Yes

PK3–12

Open houseNot postedNot postedNov 1, 2026
Required test
None
ISEE

Offered on campus: Nov 14, 2026

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

No merit scholarships

Need-based + Merit
AP coursesNot posted2520
Enrollment23934300
Student:Teacher14.4:19:18.1:1
Mass
Monthly
Weekly

Thursdays, 9:10 AM

Not Published
Sports6 sports12 sports12 sports
Links

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