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Daily Life

Enrollment (federal data)

  • St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)
  • Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)
  • St. Agnes934 (NCES PSS 2023-24 survey year)

Full Campus

  • St. Catherine's14 months - 12th grade (coed); Adolescent Community gr 7-9; High School gr 10-12 (launched 2017)
  • DuchesnePK3–12 (all-girls); Upper School is grades 9–12
  • St. AgnesNot Published

Student–Teacher Ratio (federal data)

  • St. Catherine'sNot Published
  • Duchesne8.1:1 (NCES 2023-24, campus-wide)
  • St. Agnes12.7:1 (NCES 2023-24: 934 students / 73.8 FTE teachers. Schools count staff differently than NCES FTE.)

Class Schedule

  • St. Catherine'sNot Published
  • DuchesneSix-term modular "MOD" schedule — 80-minute classes, 3-4 courses per mod, 29-30 days/mod
  • St. AgnesNot Published

School Day

  • St. Catherine's8:00 AM - 3:45 PM (extended care available)
  • DuchesneNot Published
  • St. AgnesNot Published

Student–Teacher Ratio (school-reported)

  • St. Catherine'sNot Published
  • DuchesneNot Published
  • St. Agnes9:1
Commute from home
Tuition
$20,560

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

$33,600

2026-27 rate · Upper School

$28,400

2026-27 rate

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
  • 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
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 discount10% off for each younger siblingNot PublishedNot Published
Lower school on campus
Yes

14 months–12th (Montessori)

Yes

PK3–12

HS only
Open houseNot postedNov 1, 2026Not posted
Required test
None
ISEE
ISEE

Offered on campus: Nov 14, 2026

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

No merit scholarships

AP coursesNot posted2025
Enrollment23300934
Student:Teacher14.4:18.1:19:1
Mass
Monthly
Not Published
Weekly

Thursdays, 9:10 AM

Sports6 sports12 sports12 sports
Links

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