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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. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)
  • 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.)
  • 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. ThomasYes (4 dual-credit courses via University of St. Thomas)
  • St. Catherine'sNot Published
  • 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. ThomasFrench · Spanish · Mandarin · Latin
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III

Academic Model

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

AP Courses

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

Application Deadline

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

Learning Support

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

Notable Programs

  • St. Peter CTHSNot Published
  • St. ThomasNot Published
  • St. Catherine'sNot 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. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8
  • St. Catherine'sNot 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

$20,560

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

$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
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
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 first10% off for each younger siblingMulti-student assistance available (amount not published)
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

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

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

None
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 + Merit
Need-based
Need-based + Merit
AP coursesNot posted21Not postedNot posted
Enrollment267912380
Student:TeacherNot Published9:114.4:14.5:1
Mass
Monthly
Monthly
Monthly
Monthly
SportsNot posted12 sports6 sports13 sports
Links

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