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Academics

Dual Credit

  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • 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)
  • Incarnate WordYes (4 courses with Lone Star College)

Entrance Exam

  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • 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.)
  • Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)

AP Courses

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

Recommendations

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

Application Deadline

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

Notable Programs

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

World Languages

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

Career & Technical Pathways

  • St. ThomasNot 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.)
  • Incarnate WordNot Published

Honors Courses

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

Learning Support

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

2026-27 rate

$33,600

2026-27 rate · Upper School

$15,000

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

$22,800

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

No itemized fees published.

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

PK3–12

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

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

ISEE
None
ISEE

Offered on campus: Jan 9, 2027

Application deadlineJan 15, 2027Not postedNot postedDec 14, 2026
Decision dateMar 5, 2027Not postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based + Merit
Need-based
Need-based + Merit
AP courses2120Not posted18
Enrollment79130026248
Student:Teacher9:18.1:1Not Published8.3:1
Mass
Monthly
Not Published
Monthly
Monthly
Sports12 sports12 sportsNot posted10 sports
Links

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