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Daily Life

Enrollment (federal data)

  • FrassatiNot Published
  • 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.)

Full Campus

  • FrassatiNot Published
  • 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

Student–Teacher Ratio (federal data)

  • Frassati12.8:1 (NCES 2023-24: 321 / 25.0 FTE; school reports 11:1)
  • St. Catherine'sNot Published
  • Duchesne8.1:1 (NCES 2023-24, campus-wide)

Class Schedule

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

Dress Code

  • FrassatiRisse Brothers + Lands' End uniforms
  • St. Catherine'sNot Published
  • DuchesneNot Published

Enrollment (school-reported)

  • Frassati364 (2025-26 Fast Facts; NCES 2023-24: 321 — young, growing school (opened 2013))
  • St. Catherine'sNot Published
  • DuchesneNot Published

School Day

  • FrassatiNot Published
  • St. Catherine's8:00 AM - 3:45 PM (extended care available)
  • DuchesneNot Published
Commute from home
Tuition
$24,050

2026-27 rate

$20,560

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

$33,600

2026-27 rate · Upper School

What's included
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: $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
Sibling discount$3,000 off 2nd student; $9,425 off 3rd (tuition only)10% off for each younger siblingNot Published
Lower school on campusHS only
Yes

14 months–12th (Montessori)

Yes

PK3–12

Open houseOct 28, 2026Not postedNov 1, 2026
Required test
HSPT or ISEE

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

None
ISEE
Application deadlineNot postedJan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Not posted
Financial aid
Need-based
Need-based
Need-based + Merit
AP coursesNot postedNot posted20
Enrollment36423300
Student:Teacher11:114.4:18.1:1
Mass
Weekly

Thursdays, 9:15 AM

Monthly
Not Published
Sports13 sports6 sports12 sports
Links

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