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CathedralCristo ReyDuchesneFrassatiIncarnate WordO'ConnellSt. AgnesSt. Catherine'sSt. John XXIIISt. Peter CTHSSt. Pius XSt. ThomasStrake Jesuit

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AcademicsCollege CounselingAthleticsFaith & ServiceStudent LifeArtsDaily LifeStudent SupportCollege OutcomesCost & Financial Aid

Faith & Service

Mass

  • 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.)
  • St. AgnesWeekly — Thursdays, 9:10 AM (At the start of Community Time; plus all Holy Days of Obligation and Dominican feasts. Confession offered before and after. Invitational ("all are welcome"), not stated as required.)
  • 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).)

Service Hours Required

  • O'Connell100 (25 hrs/year all students + senior project of 50-100 hrs (graduation requirement). Motto: "Enter to learn, leave to serve.")
  • St. Agnes100 (100+ hours before graduation)
  • St. Catherine'sNot Published

Theology All Four Years

  • O'ConnellYes (Theology I-IV (4 credits); retreats included in tuition)
  • St. AgnesYes
  • St. Catherine'sNot Published

Religious Tradition

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

Retreats

  • O'ConnellNot Published
  • St. AgnesAnnual grade-level retreats — Dominican Pillars: Community (9), Study (10), Prayer (11), Preaching (12)
  • St. Catherine'sNot Published

Service Program

  • O'ConnellNot Published
  • St. AgnesNot 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)
Commute from home
O'Connell College Preparatory School
St. Agnes Academy
St. Catherine's Montessori
Tuition
$9,100

2025-26 rate (newest published)

$28,400

2026-27 rate

$20,560

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

What's included
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Fees listed separately see fees
  • Application fee: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — 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 discountMulti-student assistance available (amount not published)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
In-house placement test
ISEE

Offered on campus: Nov 14, 2026

None
Application deadlineNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based

No merit scholarships

Need-based
AP coursesNot posted25Not posted
Enrollment8093423
Student:Teacher4.5:19:114.4:1
Mass
Monthly
Weekly

Thursdays, 9:10 AM

Monthly
Sports13 sports12 sports6 sports
Links
Full profileAdmissions
Full profileAdmissions
Full profileAdmissions

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