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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).)
  • St. Peter CTHSNot Published
  • Duchesne300 (Upper School 9-12 (NCES 2023-24: 89/74/65/72). Total campus 761.)

Full Campus

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

Class Schedule

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

Enrollment (school-reported)

  • St. Catherine'sNot Published
  • St. Peter CTHS26 (2024-25 (15 freshmen + 11 sophomores), growing one grade/year — first senior class 2026-27. Founded 2022; too new for an NCES record.)
  • DuchesneNot Published

School Day

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

Student–Teacher Ratio (federal data)

  • St. Catherine'sNot Published
  • St. Peter CTHSNot Published
  • Duchesne8.1:1 (NCES 2023-24, campus-wide)

Transportation

  • St. Catherine'sNot Published
  • St. Peter CTHSSchool transports students to HCC campuses during the school day (home transport not published)
  • DuchesneNot Published
Commute from home
Tuition
$20,560

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

$15,000

2026-27 rate · most families pay far less after aid

$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

No itemized fees published.

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
None
ISEE
Application deadlineJan 15, 2027Not postedNot posted
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based
Need-based + Merit
AP coursesNot postedNot posted20
Enrollment2326300
Student:Teacher14.4:1Not Published8.1:1
Mass
Monthly
Monthly
Not Published
Sports6 sportsNot posted12 sports
Links

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