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Daily Life

Enrollment (federal data)

  • St. Peter CTHSNot Published
  • St. John XXIII432 (NCES PSS 2023-24. Katy campus.)
  • St. Catherine's23 (Grades 9-12 (NCES 2023-24: 7/8/6/2); campus total ~265 (14 months-12th).)

Dress Code

  • St. Peter CTHSNot Published
  • St. John XXIIISue Mills uniforms; red or black logo sweater/vest/cardigan
  • St. Catherine'sNot Published

Enrollment (school-reported)

  • 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.)
  • St. John XXIIINot Published
  • St. Catherine'sNot Published

Full Campus

  • St. Peter CTHSNot Published
  • St. John XXIIINot Published
  • St. Catherine's14 months - 12th grade (coed); Adolescent Community gr 7-9; High School gr 10-12 (launched 2017)

School Day

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

Student–Teacher Ratio (federal data)

  • St. Peter CTHSNot Published
  • St. John XXIII11.3:1 (NCES 2023-24: 432 / 38.1 FTE)
  • St. Catherine'sNot Published

Transportation

  • St. Peter CTHSSchool transports students to HCC campuses during the school day (home transport not published)
  • St. John XXIIINot Published
  • St. Catherine'sNot Published
Commute from home
Tuition
$15,000

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

$22,100

2026-27 rate

$20,560

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

What's included
Fees listed separately

No itemized fees published.

Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — 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
Sibling discountNot Published2nd student $17,680 ($4,420 off)10% off for each younger sibling
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

Open houseNot postedNot postedNot posted
Required test
None
ISEE
None
Application deadlineNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedMar 5, 2027
Financial aid
Need-based
Need-based + Merit
Need-based
AP coursesNot postedNot postedNot posted
Enrollment2643223
Student:TeacherNot Published11.3:114.4:1
Mass
Monthly
Weekly

Daily Mass also offered

Monthly
SportsNot posted13 sports6 sports
Links

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.