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Academics

Dual Credit

  • 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)
  • St. Pius XYes (Via college partnerships (institutions not named))
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Entrance Exam

  • 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.)
  • St. Pius XISEE (School code 571082; 9th-grade applicants. Transfers submit PSAT/SAT/ACT. School offers an ISEE prep course. Application opens Sept 1.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

Recommendations

  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
  • St. Peter CTHSNot Published
  • St. Pius XMath + English teachers, Principal/Counselor; student essay; transcripts
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

AP Courses

  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)
  • St. Peter CTHSNot Published
  • St. Pius XNot Published
  • St. Thomas21 (40+ advanced/AP courses overall)

Learning Support

  • DuchesneNot Published
  • St. Peter CTHSNot Published
  • St. Pius XPaul A. Gilliam '98 Learning for Success program — structured academic support ($2,500/yr)
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan

Notable Programs

  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • St. Peter CTHSNot Published
  • St. Pius X"Engineer Your World I & II," Computer Science; electives in Business, Law, Psychology, Media Arts
  • St. ThomasNot Published

World Languages

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

Application Deadline

  • DuchesneNot Published
  • St. Peter CTHSNot Published
  • St. Pius XNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Career & Technical Pathways

  • 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.)
  • St. Pius XNot Published
  • St. ThomasNot Published

Honors & AP Courses

  • DuchesneNot Published
  • St. Peter CTHSNot Published
  • St. Pius X25 (Honors/AP combined; 490 AP exams, 49 AP Scholars in 2025)
  • St. ThomasNot Published

Honors Courses

  • Duchesne12 (Called "Advanced" courses)
  • St. Peter CTHSNot Published
  • St. Pius XNot Published
  • St. ThomasNot Published
Commute from home
Tuition
$33,600

2026-27 rate · Upper School

$15,000

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

$22,850

2026-27 rate

$27,900

2026-27 rate

What's included
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
  • Registration fee (new students): $350
  • Graduation fee (seniors): $280 (seniors)
  • Athletics fee: $150–$350 (per sport) — optional
  • Learning for Success program: $2,500 (if enrolled in program) — optional
  • Bus transportation: $1,550 — optional
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
Sibling discountNot PublishedNot PublishedHalf tuition for a 3rd concurrently enrolled child$2,000/yr per sibling after the first
Lower school on campus
Yes

PK3–12

HS onlyHS onlyHS only
Open houseNov 1, 2026Not postedNot postedDec 6, 2026
Required test
ISEE
None
ISEE
ISEE

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

Application deadlineNot postedNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based + Merit
AP courses20Not postedNot posted21
Enrollment30026655791
Student:Teacher8.1:1Not Published7:19:1
MassNot Published
Monthly
Monthly
Monthly
Sports12 sportsNot posted14 sports12 sports
Links

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