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Academics

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. Catherine'sNone (No admission test. Inquiry → adults-only tour → director meeting → application ($150) + records + lesson samples → student classroom visit. 9th graders enter the Adolescent Community (gr 7-9); High School entry is gr 10-12.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • 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.)

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. Catherine'sNot Published
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))

World Languages

  • St. Peter CTHSNot Published
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • St. ThomasFrench · Spanish · Mandarin · Latin
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

Academic Model

  • St. Peter CTHSNot Published
  • St. Catherine'sAMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships (Houston Methodist, law/design firms), university partnerships (St. Thomas, Texas A&M AgriLife), independent study; graduates build a "body of work" (No AP program; university partnerships and internships serve the advanced-work role.)
  • St. ThomasNot Published
  • O'ConnellNot Published

AP Courses

  • St. Peter CTHSNot Published
  • St. Catherine'sNot Published
  • St. Thomas21 (40+ advanced/AP courses overall)
  • O'ConnellNot Published

Application Deadline

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

Learning Support

  • St. Peter CTHSNot Published
  • St. Catherine'sNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
  • O'ConnellNot Published

Notable Programs

  • St. Peter CTHSNot Published
  • St. Catherine'sNot Published
  • St. ThomasNot Published
  • 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. Catherine'sNot Published
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • O'ConnellNot Published
Commute from home
Tuition
$15,000

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

$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

$27,900

2026-27 rate

$9,100

2025-26 rate (newest published)

What's included
Fees listed separately

No itemized fees published.

Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
Sibling discountNot Published10% off for each younger sibling$2,000/yr per sibling after the firstMulti-student assistance available (amount not published)
Lower school on campusHS only
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNot postedNot postedDec 6, 2026Not posted
Required test
None
None
ISEE

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

In-house placement test
Application deadlineNot postedJan 15, 2027Jan 15, 2027Not posted
Decision dateNot postedMar 5, 2027Mar 5, 2027Not posted
Financial aid
Need-based
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted21Not posted
Enrollment262379180
Student:TeacherNot Published14.4:19:14.5:1
Mass
Monthly
Monthly
Monthly
Monthly
SportsNot posted6 sports12 sports13 sports
Links

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