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Academics

Dual Credit

  • St. Peter CTHSYes (Houston Community College partnership — pathway courses at St. Peter and two HCC campuses; school provides transport during the school day)
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

Entrance Exam

  • 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. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)
  • O'ConnellIn-house placement test (No ISEE/HSPT — 30-60 min Math & Reading placement test, offered Mon-Thu 8:30-2:30. Rolling admissions, no published deadlines.)

World Languages

  • St. Peter CTHSNot Published
  • St. ThomasFrench · Spanish · Mandarin · Latin
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

AP Courses

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

Notable Programs

  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement
  • O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers

Recommendations

  • St. Peter CTHSNot Published
  • 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
  • O'ConnellNot Published

Application Deadline

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

Career & Technical Pathways

  • 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. ThomasNot Published
  • DuchesneNot Published
  • O'ConnellNot Published

Honors Courses

  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • Duchesne12 (Called "Advanced" courses)
  • O'ConnellNot Published

Learning Support

  • St. Peter CTHSNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • DuchesneNot Published
  • O'ConnellNot Published
Commute from home
Tuition
$15,000

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

$27,900

2026-27 rate

$33,600

2026-27 rate · Upper School

$9,100

2025-26 rate (newest published)

What's included
Fees listed separately

No itemized fees published.

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
Sibling discountNot Published$2,000/yr per sibling after the firstNot PublishedMulti-student assistance available (amount not published)
Lower school on campusHS onlyHS only
Yes

PK3–12

HS only
Open houseNot postedDec 6, 2026Nov 1, 2026Not posted
Required test
None
ISEE

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

ISEE
In-house placement test
Application deadlineNot postedJan 15, 2027Not postedNot posted
Decision dateNot postedMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based + Merit
Need-based + Merit
Need-based + Merit
AP coursesNot posted2120Not posted
Enrollment2679130080
Student:TeacherNot Published9:18.1:14.5:1
Mass
Monthly
Monthly
Not Published
Monthly
SportsNot posted12 sports12 sports13 sports
Links

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