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Faith & Service

Mass

  • St. John XXIIIWeekly all-school Mass (Day not published; moves for Solemnities and Holy Days. Students attend in full Mass uniform.)
  • St. Catherine'sMonthly (School-wide statement (all levels attend monthly); no high-school-specific schedule published. Daily student-led communal prayer; weekly Atrium (Catechesis of the Good Shepherd).)
  • O'ConnellMonthly all-school liturgy (on or off campus) (Day of week not published; handbook includes a bell schedule for 10 a.m. Mass days. All students attend.)

Daily Mass

  • St. John XXIIIAvailable daily throughout the year (Plus Eucharistic adoration, twice-yearly penance services, daily Angelus)
  • St. Catherine'sNot Published
  • O'ConnellNot Published

Religious Tradition

  • St. John XXIIINot Published
  • St. Catherine'sFounded 1966 by Dominican Sisters; independent Catholic with Dominican charism; Catechesis of the Good Shepherd; HS theology aligned with the Archdiocese
  • O'ConnellNot Published

Retreats

  • St. John XXIIIMandatory class retreats (Oboedientia/Pax/Virtus/Renovatio) + optional Kairos (jr/sr) and Quest (fr/so); daily Mass + weekly all-school Mass
  • St. Catherine'sNot Published
  • O'ConnellNot Published

Service Hours by Grade

  • St. John XXIIIFreshmen 20 · Sophomores 25 · Juniors 25 · Seniors 30 (per year, with due dates each spring)
  • St. Catherine'sNot Published
  • O'ConnellNot Published

Service Hours Required

  • St. John XXIIINot Published
  • St. Catherine'sNot Published
  • O'Connell100 (25 hrs/year all students + senior project of 50-100 hrs (graduation requirement). Motto: "Enter to learn, leave to serve.")

Service Program

  • St. John XXIIINot Published
  • St. Catherine'sService-learning with 54 partner organizations (Houston Food Bank, Catholic Charities, Houston Zoo); HS community service trips and retreats (no published hour requirement)
  • O'ConnellNot Published

Theology All Four Years

  • St. John XXIIINot Published
  • St. Catherine'sNot Published
  • O'ConnellYes (Theology I-IV (4 credits); retreats included in tuition)
Commute from home
Tuition
$22,100

2026-27 rate

$20,560

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

$9,100

2025-26 rate (newest published)

What's included
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
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discount2nd student $17,680 ($4,420 off)10% off for each younger siblingMulti-student assistance available (amount not published)
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS only
Open houseNot postedNot postedNot posted
Required test
ISEE
None
In-house placement test
Application deadlineNot postedJan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Not posted
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
AP coursesNot postedNot postedNot posted
Enrollment4322380
Student:Teacher11.3:114.4:14.5:1
Mass
Weekly

Daily Mass also offered

Monthly
Monthly
Sports13 sports6 sports13 sports
Links

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