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Academics

Dual Credit

  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • Incarnate WordYes (4 courses with Lone Star College)
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • St. Peter CTHSYes (Houston Community College partnership — pathway courses at St. Peter and two HCC campuses; school provides transport during the school day)

Entrance Exam

  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • St. Peter CTHSNone (No ISEE/HSPT. Inquiry → tour → FACTS application; English + Math recommendations + transcript. Last cycle: due Jan 15, decisions Mar 6, reply Mar 25.)

AP Courses

  • St. Thomas21 (40+ advanced/AP courses overall)
  • Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • St. Peter CTHSNot Published

Recommendations

  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. Peter CTHSNot Published

Application Deadline

  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)
  • Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
  • DuchesneNot Published
  • St. Peter CTHSNot Published

Notable Programs

  • St. ThomasNot Published
  • Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • St. Peter CTHSNot Published

World Languages

  • St. ThomasFrench · Spanish · Mandarin · Latin
  • Incarnate WordNot Published
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • St. Peter CTHSNot Published

Career & Technical Pathways

  • St. ThomasNot Published
  • Incarnate WordNot Published
  • DuchesneNot Published
  • St. Peter CTHSBusiness · Construction · Education · Information Technology · Health Sciences (The school describes itself as the first Catholic career and technical high school in Texas, and the second in the United States. Graduates earn a diploma plus a Level 1 industry certification, with a possible HCC associate degree and job placement with partner businesses.)

Honors Courses

  • St. ThomasNot Published
  • Incarnate WordNot Published
  • Duchesne12 (Called "Advanced" courses)
  • St. Peter CTHSNot Published

Learning Support

  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • Incarnate WordNot Published
  • DuchesneNot Published
  • St. Peter CTHSNot Published
Commute from home
Tuition
$27,900

2026-27 rate

$22,800

2026-27 rate

$33,600

2026-27 rate · Upper School

$15,000

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

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
  • Application fee: $75
  • Registration fee: $350
  • Tuition deposit: $500
  • Freshman fee (orientation camp): $350 (freshmen)
  • Senior fee (graduation + retreat): $300 (seniors)
  • Books:
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

No itemized fees published.

Sibling discount$2,000/yr per sibling after the firstNot PublishedNot PublishedNot Published
Lower school on campusHS onlyHS only
Yes

PK3–12

HS only
Open houseDec 6, 2026Nov 8, 2026Nov 1, 2026Not posted
Required test
ISEE

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

ISEE

Offered on campus: Jan 9, 2027

ISEE
None
Application deadlineJan 15, 2027Dec 14, 2026Not postedNot posted
Decision dateMar 5, 2027Mar 5, 2027Not postedNot posted
Financial aid
Need-based + Merit
Need-based + Merit
Need-based + Merit
Need-based
AP courses211820Not posted
Enrollment79124830026
Student:Teacher9:18.3:18.1:1Not Published
Mass
Monthly
Monthly
Not Published
Monthly
Sports12 sports10 sports12 sportsNot posted
Links

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