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Faith & Service

Mass

  • St. ThomasMonthly all-school Mass, plus Holy Days of Obligation (Weekly opportunities for Mass, Confession, Adoration and Rosary in addition)
  • DuchesneNot Published
  • 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.)
  • Strake JesuitMonthly all-school Mass (Plus Eucharist at major events (Father-Son Breakfast, Baccalaureate))

Retreats

  • St. ThomasCamp Aquinas freshman retreat; grade-level retreats; dedicated Director of Retreats. Basilian motto: "Teach me Goodness, Discipline, and Knowledge"
  • DuchesneCampus Ministry (student-led): liturgies, Masses, prayer services, retreats; Five Sacred Heart Goals
  • O'ConnellNot Published
  • Strake JesuitFreshman Retreat; Father/Son (soph); Kairos four-day (jr); Brotherhood (sr); on-campus Retreat & Leadership Center

Service Program

  • St. Thomas"Champions for Change" — six service experiences annually (service year Jun 1 - May 31)
  • DuchesneService Learning Requirement — off-campus volunteering with reflection component; 10,000+ community hours school-wide annually (per-student count not published)
  • O'ConnellNot Published
  • Strake JesuitGrade-level Service Days (9th-11th); seniors complete 75 independent service hours + Senior Service Reflection Day. Service is graded and appears on transcripts.

Religious Tradition

  • St. ThomasBasilian Fathers — founded 1900. The school describes itself as the oldest college-preparatory high school for young men in Texas.
  • DuchesneNot Published
  • O'ConnellNot Published
  • Strake JesuitJesuit (Society of Jesus) — "Men for Others," Ignatian formation; founded 1960

Theology All Four Years

  • St. ThomasNot Published
  • DuchesneYes (12 credits; World Religions, Bioethics, Justice and Morality)
  • O'ConnellYes (Theology I-IV (4 credits); retreats included in tuition)
  • Strake JesuitNot Published

Daily Mass

  • St. ThomasNot Published
  • DuchesneNot Published
  • O'ConnellNot Published
  • Strake JesuitAvailable — weekdays 7:20 AM in the Chapel of St. Ignatius (before the school day) (8:30 AM on late-start days)

Service Hours Required

  • St. ThomasNot Published
  • DuchesneNot Published
  • O'Connell100 (25 hrs/year all students + senior project of 50-100 hrs (graduation requirement). Motto: "Enter to learn, leave to serve.")
  • Strake JesuitNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$33,600

2026-27 rate · Upper School

$9,100

2025-26 rate (newest published)

$29,970

2026-27 rate

What's included
Included in tuition see list
  • Laptop & technology

Charged separately:

  • Application fee: $75
  • Registration fee: $700
  • Camp Aquinas (freshman retreat): $650 (freshmen)
  • Class retreat: $325 (returning/transfer students)
  • Books: $550
  • Athletics fee: $250 (per sport) — optional
  • AP exam: $99 (per course) — optional
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
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Included in tuition see list
  • Textbooks (physical + digital)
  • iPad + keyboard case with insurance
  • AP exam fees
  • SAT/ACT prep
  • Course fees (ceramics, science labs)
  • Academic support
  • Most extracurricular/athletic expenses
  • Lab goggles + PE uniforms
  • Parking

Charged separately:

  • ISEE exam (paid to ERB): $170 (applicants) — optional
Sibling discount$2,000/yr per sibling after the firstNot PublishedMulti-student assistance available (amount not published)Not Published
Lower school on campusHS only
Yes

PK3–12

HS onlyHS only
Open houseDec 6, 2026Nov 1, 2026Not postedDec 3, 2026
Required test
ISEE

Offered on campus: Nov 14, 2026 · Jan 9, 2027

ISEE
In-house placement test
ISEE

Offered on campus: Oct 31, 2026 · Jan 9, 2027

Application deadlineJan 15, 2027Not postedNot postedJan 15, 2027
Decision dateMar 5, 2027Not postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
Need-based
AP courses2120Not postedNot posted
Enrollment791300801,390
Student:Teacher9:18.1:14.5:110:1
Mass
Monthly
Not Published
Monthly
Monthly

Daily Mass also offered

Sports12 sports12 sports13 sports17 sports
Links

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