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Daily Life

Enrollment (federal data)

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

Dress Code

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

Enrollment (school-reported)

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

Full Campus

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

School Day

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

Student–Teacher Ratio (federal data)

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

Transportation

  • St. John XXIIINot Published
  • St. Peter CTHSSchool transports students to HCC campuses during the school day (home transport not published)
  • St. Catherine'sNot Published
Commute from home
Tuition
$22,100

2026-27 rate

$15,000

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

$20,560

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

What's included
Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — optional
Fees listed separately

No itemized fees published.

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 discount2nd student $17,680 ($4,420 off)Not Published10% off for each younger sibling
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

Open houseNot postedNot postedNot posted
Required test
ISEE
None
None
Application deadlineNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based
AP coursesNot postedNot postedNot posted
Enrollment4322623
Student:Teacher11.3:1Not Published14.4:1
Mass
Weekly

Daily Mass also offered

Monthly
Monthly
Sports13 sportsNot posted6 sports
Links

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